/* ===================================================
   VARIABLES & RESET
=================================================== */
:root {
  --navy:      #1a2e4a;
  --navy-dark: #111f33;
  --gold:      #c9a84c;
  --gold-light:#e0c97a;
  --white:     #ffffff;
  --bg:        #f7f8fa;
  --bg-alt:    #eef0f4;
  --text:      #2c2c2c;
  --text-muted:#6b7280;
  --border:    #dde1e9;
  --radius:    8px;
  --shadow:    0 4px 24px rgba(26,46,74,0.10);
  --shadow-lg: 0 12px 48px rgba(26,46,74,0.16);
  --transition: 0.3s ease;
  --font-sans: 'Noto Sans TC', sans-serif;
  --font-serif:'Noto Serif TC', serif;
  --max-width: 1160px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===================================================
   TYPOGRAPHY HELPERS
=================================================== */
.section-eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header .section-desc { margin: 0 auto; }

/* ===================================================
   BUTTONS
=================================================== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  transition: var(--transition);
}

.btn-primary {
  background: var(--gold);
  color: var(--navy-dark);
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201,168,76,0.4);
}

.btn-outline {
  border: 2px solid rgba(255,255,255,0.7);
  color: var(--white);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
}

.btn-full { width: 100%; text-align: center; }

/* ===================================================
   NAVIGATION
=================================================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
  padding: 0;
}

#navbar.scrolled {
  background: var(--navy-dark);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-primary  { color: var(--gold); }
.logo-divider  { color: rgba(255,255,255,0.4); font-weight: 300; }
.logo-secondary{ color: var(--white); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  color: rgba(255,255,255,0.88);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: var(--gold) !important;
  color: var(--navy-dark) !important;
  padding: 8px 22px;
  border-radius: var(--radius);
  font-weight: 700 !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--gold-light) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===================================================
   HERO
=================================================== */
#hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy-dark) 0%, #243b5e 60%, #1e3a5f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 30% 60%, rgba(201,168,76,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(201,168,76,0.06) 0%, transparent 60%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a84c' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 24px;
  max-width: 800px;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
}
.hero-title .highlight {
  color: var(--gold);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.78);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.45);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.scroll-arrow {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.2); }
}

/* ===================================================
   STATS STRIP
=================================================== */
#stats {
  background: var(--navy);
  padding: 0;
}

.stats-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 40px;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.06em;
  text-align: center;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.15);
}

/* ===================================================
   ABOUT
=================================================== */
#about {
  padding: 100px 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: center;
  max-width: 760px;
  margin: 0 auto;
}

.about-photo-wrap {
  position: relative;
}

.about-photo-placeholder {
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-alt) 100%);
  border: 2px dashed var(--border);
  border-radius: 12px;
  aspect-ratio: 4/5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  overflow: hidden;
}

.about-photo-placeholder svg {
  width: 160px;
  opacity: 0.6;
}

.photo-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

.about-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--gold);
  color: var(--navy-dark);
  padding: 12px 20px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow);
}

.about-desc {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.85;
}

.expertise-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.tag {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--navy);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
}

/* ===================================================
   SERVICES
=================================================== */
#services {
  padding: 100px 0;
  background: var(--bg);
}

.service-category-label {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
}
.service-category-label::before,
.service-category-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.service-category-label::before { max-width: 40px; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: 12px;
  padding: 36px 32px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--gold);
  transform: scaleY(0);
  transition: transform var(--transition);
  transform-origin: top;
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.service-card:hover::before { transform: scaleY(1); }

.service-card--wide {
  grid-column: 1 / -1;
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.service-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  line-height: 1.75;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features li {
  font-size: 0.88rem;
  color: var(--text);
  padding-left: 16px;
  position: relative;
}
.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

.service-scenarios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 8px;
}

.scenario {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--navy);
}

.scenario-icon { font-size: 1.1rem; }

/* ===================================================
   PROCESS
=================================================== */
#process {
  padding: 100px 0;
  background: var(--navy);
}

#process .section-eyebrow { color: var(--gold); }
#process .section-title    { color: var(--white); }

.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin-top: 8px;
  flex-wrap: wrap;
}

.process-step {
  flex: 1;
  min-width: 200px;
  max-width: 260px;
  text-align: center;
  padding: 0 16px;
}

.step-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(201,168,76,0.25);
  line-height: 1;
  margin-bottom: 16px;
}

.step-content h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 10px;
}

.step-content p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
}

.process-connector {
  flex: 0 0 auto;
  width: 48px;
  height: 1px;
  background: rgba(201,168,76,0.3);
  margin-top: 56px;
  position: relative;
}
.process-connector::after {
  content: '';
  position: absolute;
  right: 0; top: -4px;
  width: 8px; height: 8px;
  border-right: 2px solid var(--gold);
  border-top: 2px solid var(--gold);
  transform: rotate(45deg);
  opacity: 0.5;
}

/* ===================================================
   TESTIMONIALS
=================================================== */
#testimonials {
  padding: 100px 0;
  background: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--bg);
  border-radius: 12px;
  padding: 36px 28px 28px;
  position: relative;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.testimonial-quote {
  font-family: var(--font-serif);
  font-size: 4rem;
  line-height: 1;
  color: var(--gold);
  opacity: 0.35;
  position: absolute;
  top: 16px; left: 24px;
}

.testimonial-text {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--gold);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.author-info {
  display: flex;
  flex-direction: column;
}
.author-info strong { font-size: 0.9rem; color: var(--navy); }
.author-info span   { font-size: 0.8rem; color: var(--text-muted); }

/* ===================================================
   CONTACT
=================================================== */
#contact {
  padding: 100px 0;
  background: var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}

.contact-desc {
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.85;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.method-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-method div {
  display: flex;
  flex-direction: column;
}
.contact-method strong {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.contact-method span {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Form */
.contact-form {
  background: var(--white);
  border-radius: 16px;
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.required { color: var(--gold); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}

.form-group textarea { resize: vertical; }

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7280' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 12px;
  text-align: center;
}

.form-success {
  display: none;
  background: #d1fae5;
  color: #065f46;
  border-radius: var(--radius);
  padding: 14px 20px;
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
}

/* ===================================================
   FOOTER
=================================================== */
#footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.55);
}

.footer-links strong,
.footer-services strong {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.footer-links ul,
.footer-services ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links li a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-links li a:hover { color: var(--gold); }

.footer-services li {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
}

.footer-bottom {
  text-align: center;
  padding: 20px 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* ===================================================
   ANIMATIONS
=================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ===================================================
   RESPONSIVE
=================================================== */
@media (max-width: 1024px) {
  .about-grid  { grid-template-columns: 300px 1fr; gap: 48px; }
  .footer-top  { grid-template-columns: 1fr 1fr; }
  .footer-brand{ grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .services-grid       { grid-template-columns: 1fr; }
  .service-card--wide  { grid-column: auto; }
  .service-scenarios   { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid   { grid-template-columns: 1fr; }
  .contact-grid        { grid-template-columns: 1fr; gap: 48px; }
  .process-steps       { flex-direction: column; align-items: center; }
  .process-connector   { width: 1px; height: 32px; margin: 0 0 0 0; }
  .process-connector::after { display: none; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--navy-dark);
    flex-direction: column;
    gap: 0;
    padding: 16px 0 24px;
    display: none;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 12px 24px;
  }
  .nav-links a::after { display: none; }
  .nav-cta { margin: 8px 24px 0; display: block; text-align: center; }
  .nav-toggle { display: flex; }

  .about-grid      { grid-template-columns: 1fr; }
  .about-photo-wrap{ max-width: 320px; margin: 0 auto; }
  .about-badge     { right: 0; bottom: -12px; }

  .stat-item     { padding: 24px 20px; }
  .stat-divider  { display: none; }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-brand { grid-column: auto; }

  .contact-form { padding: 28px 20px; }
  .desktop-break { display: none; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .service-scenarios { grid-template-columns: 1fr; }
  .process-step { min-width: 100%; }
}