/* ==========================================================
   tagAHA 點點智聯 — Official Website Stylesheet
   Core Palette: Cream (#F5F5F0), Navy (#1A2238), Mist Gold (#B08D57)
   ========================================================== */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Noto Sans TC', sans-serif;
  color: #334155;
  background-color: #F5F5F0;
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

h1, h2, h3, h4, h5 {
  font-family: 'Playfair Display', 'Noto Sans TC', serif;
  color: #1A2238;
  line-height: 1.2;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.reveal-left { transform: translateX(-60px); }
.reveal.reveal-right { transform: translateX(60px); }
.reveal.active {
  opacity: 1;
  transform: translate(0, 0);
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background 0.4s, box-shadow 0.4s, padding 0.4s;
  padding: 20px 0;
}

.nav.scrolled {
  background: rgba(245, 245, 240, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 30px rgba(0,0,0,0.08);
  padding: 10px 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 32px;
  font-weight: 800;
  color: #1A2238;
  transition: color 0.3s;
}
.nav-logo span { color: #B08D57; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: #1A2238;
  position: relative;
  transition: color 0.3s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #B08D57;
  transition: width 0.3s;
}

.nav-links a:hover { color: #B08D57; }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: #1A2238 !important;
  color: #F5F5F0 !important;
  padding: 10px 24px !important;
  border-radius: 4px;
  transition: background 0.3s, transform 0.2s !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: #B08D57 !important;
  color: white !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #1A2238;
  transition: transform 0.3s, opacity 0.3s;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: #1A2238;
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(176, 141, 87, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(176, 141, 87, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 60% 80%, rgba(176, 141, 87, 0.04) 0%, transparent 50%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 60px;
  left: 60px;
  right: 60px;
  bottom: 60px;
  border: 1px solid rgba(176, 141, 87, 0.2);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  color: #B08D57;
  font-size: 16px;
  letter-spacing: 6px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(60px, 12vw, 120px);
  font-weight: 800;
  color: #F5F5F0;
  letter-spacing: 2px;
}
.hero-title span { color: #B08D57; }

.hero-subtitle {
  color: #B08D57;
  font-size: clamp(18px, 3vw, 28px);
  letter-spacing: 5px;
  margin-top: 16px;
}

.hero-desc {
  color: rgba(245, 245, 240, 0.6);
  font-weight: 300;
  margin-top: 24px;
  font-size: 16px;
  letter-spacing: 2px;
}

.hero-actions {
  margin-top: 48px;
  display: flex;
  gap: 20px;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 14px 36px;
  font-size: 15px;
  font-weight: 500;
  font-family: 'Noto Sans TC', sans-serif;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary {
  background: #B08D57;
  color: white;
  border: 2px solid #B08D57;
}
.btn-primary:hover {
  background: #9a7a4a;
  border-color: #9a7a4a;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(176,141,87,0.3);
}

.btn-outline {
  border: 2px solid rgba(245,245,240,0.4);
  color: #F5F5F0;
  background: transparent;
}
.btn-outline:hover {
  border-color: #B08D57;
  color: #B08D57;
  transform: translateY(-2px);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(245,245,240,0.4);
  font-size: 12px;
  letter-spacing: 2px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: float 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- Sections ---------- */
.section {
  padding: 120px 0;
}
.section-cream { background: #F5F5F0; }
.section-white { background: #ffffff; }
.section-dark { background: #1A2238; }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-eyebrow {
  color: #B08D57;
  font-size: 13px;
  letter-spacing: 4px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: #B08D57;
  margin: 0 auto;
}

.lead {
  font-size: 20px;
  line-height: 1.8;
  color: #334155;
}

/* ---------- Vision ---------- */
.vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.vision-text p {
  font-size: 18px;
  margin-bottom: 16px;
}
.vision-text strong { color: #B08D57; }

.highlight-card {
  background: #1A2238;
  padding: 48px;
  border-radius: 4px;
  position: relative;
}
.highlight-card::before {
  content: '';
  position: absolute;
  top: 16px; left: 16px; right: 16px; bottom: 16px;
  border: 1px solid rgba(176,141,87,0.2);
  pointer-events: none;
}
.highlight-card h3 {
  color: #F5F5F0;
  font-size: 24px;
  margin-bottom: 24px;
}

.check-list li {
  color: #cbd5e1;
  font-size: 17px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.check-list li i {
  color: #B08D57;
  margin-right: 12px;
  width: 20px;
}

/* ---------- Technology ---------- */
.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.tech-visual {
  text-align: center;
}

.patent-badge {
  display: inline-block;
  background: #B08D57;
  color: white;
  padding: 4px 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 32px;
}

.tech-icon-wrap {
  font-size: 140px;
  color: #B08D57;
  line-height: 1;
  margin-bottom: 24px;
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 0px rgba(176,141,87,0)); }
  50% { filter: drop-shadow(0 0 30px rgba(176,141,87,0.3)); }
}

.tech-tagline {
  color: #F5F5F0;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 3px;
}

.tech-text h3 {
  color: #F5F5F0;
  font-size: 28px;
  font-family: 'Noto Sans TC', sans-serif;
  margin-bottom: 16px;
}
.tech-text > p {
  color: #94a3b8;
  font-size: 17px;
  margin-bottom: 32px;
}

.tech-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.tech-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.tf-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(176,141,87,0.15);
  color: #B08D57;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.tech-feature h4 {
  color: #F5F5F0;
  font-family: 'Noto Sans TC';
  font-size: 16px;
  margin-bottom: 4px;
}
.tech-feature p {
  color: #64748b;
  font-size: 14px;
}

/* ---------- Lifecycle ---------- */
.lifecycle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: white;
  padding: 48px 40px;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  flex-wrap: wrap;
}

.lc-step {
  text-align: center;
  flex: 1;
  min-width: 120px;
}
.lc-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #B08D57;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 16px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.lc-step:hover .lc-icon {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(176,141,87,0.3);
}
.lc-step h4 {
  font-family: 'Noto Sans TC';
  font-size: 16px;
  margin-bottom: 4px;
}
.lc-step p {
  font-size: 13px;
  color: #94a3b8;
}
.lc-arrow {
  color: #B08D57;
  font-size: 20px;
}

.lifecycle-quote {
  margin-top: 40px;
  text-align: center;
  color: #B08D57;
  font-weight: 700;
  font-size: 20px;
  font-style: italic;
}

/* ---------- Products ---------- */
.product-category {
  margin-bottom: 32px;
}
.pc-label {
  font-family: 'Noto Sans TC';
  font-size: 20px;
  color: #1A2238;
  padding-bottom: 12px;
  border-bottom: 2px solid #B08D57;
  display: inline-block;
}
.pc-label i {
  color: #B08D57;
  margin-right: 10px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-grid-2 { grid-template-columns: repeat(2, 1fr); }
.product-grid-3 { grid-template-columns: repeat(3, 1fr); }

.product-card {
  background: #F5F5F0;
  border: 1px solid #e2e8f0;
  padding: 32px 24px;
  border-radius: 4px;
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.08);
}

.pc-badge {
  display: inline-block;
  background: #B08D57;
  color: white;
  padding: 2px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.pc-icon {
  font-size: 40px;
  color: #B08D57;
  margin-bottom: 16px;
  opacity: 0.8;
}

.product-card h4 {
  font-family: 'Noto Sans TC';
  font-size: 20px;
  margin-bottom: 6px;
}

.pc-tagline {
  color: #B08D57;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
}

.product-card > p {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 12px;
}

.pc-features {
  margin-top: 12px;
}
.pc-features li {
  font-size: 13px;
  color: #64748b;
  padding: 4px 0 4px 16px;
  position: relative;
}
.pc-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #B08D57;
}

/* ---------- PSEO ---------- */
.pseo-showcase {
  background: #F5F5F0;
  border: 2px solid #B08D57;
  padding: 48px;
  border-radius: 4px;
  text-align: center;
}
.pseo-showcase h3 {
  font-family: 'Noto Sans TC';
  font-size: 24px;
  margin-bottom: 12px;
}
.pseo-showcase > p {
  color: #64748b;
  font-size: 16px;
}
.pseo-domains {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin: 32px 0 24px;
  flex-wrap: wrap;
}
.pseo-domain {
  background: #1A2238;
  color: #F5F5F0;
  padding: 16px 32px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 1px;
  transition: transform 0.3s;
}
.pseo-domain:hover { transform: scale(1.05); }
.pseo-note {
  color: #B08D57;
  font-weight: 500;
}

/* Product grid variants */
.product-grid-4 { grid-template-columns: repeat(4, 1fr); }
.product-grid-5 { grid-template-columns: repeat(5, 1fr); }

/* Category label enhancements */
.pc-label-en {
  font-size: 13px;
  color: #94a3b8;
  font-weight: 400;
  margin-left: 8px;
  letter-spacing: 1px;
}
.pc-label-desc {
  color: #64748b;
  font-size: 14px;
  margin-top: 8px;
}

/* PSEO mini pills inside product card */
.pseo-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.pseo-mini span {
  background: #1A2238;
  color: #F5F5F0;
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Highlighted product card (tagaha reference) */
.product-card-highlight {
  border: 2px solid #B08D57;
  background: linear-gradient(135deg, #faf8f4, #f0ebe3);
}
.pc-link {
  display: inline-block;
  margin-top: 12px;
  color: #B08D57;
  font-weight: 700;
  font-size: 14px;
  transition: color 0.3s, transform 0.2s;
}
.pc-link:hover {
  color: #1A2238;
  transform: translateX(4px);
}

/* ---------- Core Pillars Table ---------- */
.pillars-table {
  max-width: 960px;
  margin: 0 auto;
}

.pillar-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1.5fr;
  gap: 1px;
  margin-bottom: 2px;
}

.pillar-header {
  margin-bottom: 4px;
}
.pillar-header .pillar-cell {
  background: #B08D57;
  color: white;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1px;
  padding: 16px 24px;
}
.pillar-header .pillar-cell:first-child { border-radius: 4px 0 0 0; }
.pillar-header .pillar-cell:last-child { border-radius: 0 4px 0 0; }

.pillar-cell {
  background: rgba(255,255,255,0.04);
  padding: 20px 24px;
  color: #cbd5e1;
  font-size: 15px;
  line-height: 1.5;
  display: flex;
  align-items: center;
}

.pillar-name {
  font-weight: 700;
  color: #F5F5F0;
  gap: 12px;
}
.pillar-name i {
  color: #B08D57;
  font-size: 20px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.pillar-highlight {
  color: #B08D57;
  font-weight: 500;
}

.pillar-row:not(.pillar-header):hover .pillar-cell {
  background: rgba(176,141,87,0.08);
  transition: background 0.3s;
}

/* ---------- Future ---------- */
.future-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.future-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(176,141,87,0.2);
  padding: 40px 32px;
  text-align: center;
  border-radius: 4px;
  transition: border-color 0.3s, transform 0.3s;
}
.future-card:hover {
  border-color: #B08D57;
  transform: translateY(-6px);
}

.fc-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(176,141,87,0.15);
  color: #B08D57;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 24px;
}

.future-card h4 {
  color: #F5F5F0;
  font-family: 'Noto Sans TC';
  font-size: 20px;
  margin-bottom: 12px;
}
.future-card p {
  color: #94a3b8;
  font-size: 15px;
}

/* ---------- Contact ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.contact-text .section-eyebrow { text-align: left; }
.contact-text .section-title { text-align: left; margin-bottom: 20px; }
.contact-text .lead { margin-top: 16px; }

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.ci-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: white;
  padding: 24px;
  border-radius: 4px;
  border: 1px solid #e2e8f0;
  transition: transform 0.3s, box-shadow 0.3s;
}
.ci-item:hover {
  transform: translateX(6px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.ci-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #1A2238;
  color: #B08D57;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.ci-item h4 {
  font-family: 'Noto Sans TC';
  font-size: 14px;
  margin-bottom: 2px;
}
.ci-item p {
  color: #64748b;
  font-size: 16px;
}

/* ---------- Footer ---------- */
.footer {
  background: #1A2238;
  padding: 80px 0 0;
}

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

.footer-logo-big {
  font-family: 'Playfair Display', serif;
  font-size: 40px;
  font-weight: 800;
  color: #F5F5F0;
  margin-bottom: 8px;
}
.footer-logo-big span { color: #B08D57; }

.footer-brand p {
  color: #64748b;
  font-size: 14px;
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-links-grid h5 {
  color: #F5F5F0;
  font-family: 'Noto Sans TC';
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.footer-links-grid li {
  margin-bottom: 10px;
}
.footer-links-grid a {
  color: #64748b;
  font-size: 14px;
  transition: color 0.3s;
}
.footer-links-grid a:hover { color: #B08D57; }

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p {
  color: #475569;
  font-size: 13px;
}

/* ---------- Silver / 點點通 ---------- */
.silver-section {
  background: linear-gradient(180deg, #faf8f4 0%, #f0ebe3 50%, #e8e0d4 100%);
  position: relative;
  overflow: hidden;
}

.silver-bg-accent {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(176,141,87,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.silver-title {
  color: #1A2238;
}

.silver-intro {
  color: #64748b;
  font-size: 18px;
  margin-top: 16px;
}

.silver-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.silver-quote {
  position: relative;
  padding: 32px;
  background: white;
  border-left: 4px solid #B08D57;
  border-radius: 0 8px 8px 0;
  margin-bottom: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}
.silver-quote i {
  color: #B08D57;
  font-size: 24px;
  margin-bottom: 12px;
  display: block;
  opacity: 0.6;
}
.silver-quote p {
  font-size: 22px;
  font-weight: 500;
  color: #1A2238;
  line-height: 1.6;
  font-style: italic;
}

.silver-desc {
  font-size: 17px;
  color: #475569;
  margin-bottom: 12px;
  line-height: 1.8;
}
.silver-desc strong { color: #B08D57; }

/* Phone mockup */
.silver-phone {
  background: white;
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.1), 0 0 0 1px rgba(0,0,0,0.04);
  max-width: 340px;
  margin: 0 auto;
}

.sp-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid #f1f5f9;
  margin-bottom: 20px;
  font-weight: 700;
  font-size: 15px;
  color: #1A2238;
}

.sp-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.sp-timeline::before {
  content: '';
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: #e2e8f0;
}

.sp-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  position: relative;
}

.sp-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #B08D57;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 4px rgba(176,141,87,0.15);
}

.sp-pending .sp-dot {
  background: #e2e8f0;
  box-shadow: 0 0 0 4px rgba(226,232,240,0.3);
}

.sp-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.sp-time {
  font-size: 13px;
  color: #94a3b8;
  font-weight: 500;
}
.sp-label {
  font-size: 15px;
  color: #1A2238;
  font-weight: 500;
}
.sp-pending .sp-label { color: #94a3b8; }

.sp-check {
  color: #22c55e;
  font-size: 18px;
}
.sp-clock {
  color: #94a3b8;
  font-size: 18px;
}

/* Silver features grid */
.silver-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.sf-card {
  background: white;
  padding: 32px 24px;
  border-radius: 8px;
  text-align: center;
  border: 1px solid rgba(176,141,87,0.15);
  transition: transform 0.3s, box-shadow 0.3s;
}
.sf-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(176,141,87,0.12);
}

.sf-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #B08D57, #d4b87a);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 20px;
}

.sf-card h4 {
  font-family: 'Noto Sans TC';
  font-size: 18px;
  margin-bottom: 10px;
  color: #1A2238;
}
.sf-card p {
  font-size: 14px;
  color: #64748b;
  line-height: 1.6;
}

/* Silver CTA */
.silver-cta {
  text-align: center;
  padding: 40px;
  background: #1A2238;
  border-radius: 8px;
  position: relative;
}
.silver-cta::before {
  content: '';
  position: absolute;
  top: 12px; left: 12px; right: 12px; bottom: 12px;
  border: 1px solid rgba(176,141,87,0.2);
  border-radius: 4px;
  pointer-events: none;
}
.silver-cta p {
  color: #F5F5F0;
  font-size: 24px;
  font-weight: 700;
  font-family: 'Playfair Display', serif;
  margin-bottom: 24px;
}
.silver-cta .btn-primary {
  font-size: 16px;
  padding: 16px 40px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .product-grid,
  .product-grid-4,
  .product-grid-5 { grid-template-columns: repeat(2, 1fr); }
  .silver-features { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #F5F5F0;
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 40px rgba(0,0,0,0.1);
  }
  .nav-links.open { right: 0; }

  .hero::before {
    top: 24px; left: 24px; right: 24px; bottom: 24px;
  }

  .hero-actions { flex-direction: column; align-items: center; }

  .vision-grid,
  .tech-grid,
  .contact-wrap,
  .silver-hero-grid { grid-template-columns: 1fr; }

  .product-grid,
  .product-grid-2,
  .product-grid-3,
  .product-grid-4,
  .product-grid-5,
  .future-grid,
  .silver-features { grid-template-columns: 1fr; }

  .lifecycle { flex-direction: column; }
  .lc-arrow { transform: rotate(90deg); }

  .pillar-row { grid-template-columns: 1fr; }
  .pillar-header { display: none; }
  .pillar-cell { padding: 12px 20px; }
  .pillar-name { font-size: 17px; padding-top: 20px; border-top: 1px solid rgba(176,141,87,0.2); }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-links-grid { grid-template-columns: repeat(3, 1fr); }

  .section { padding: 80px 0; }

  .silver-quote p { font-size: 18px; }
}

@media (max-width: 480px) {
  .footer-links-grid { grid-template-columns: 1fr; }
  .pseo-domains { flex-direction: column; align-items: center; }
}