/* ============================================
   Application Guide (ag-) — 應用案例頁面樣式
   ============================================ */

:root {
  --ag-red: #AF1739;
  --ag-red-dark: #8a1130;
  --ag-teal: #0f7aab;
  --ag-blue: #004a99;
  --ag-blue-lt: #0062cc;
  --ag-glass-bg: rgba(255,255,255,0.06);
  --ag-glass-border: rgba(255,255,255,0.12);
  --ag-text-primary: #ffffff;
  --ag-text-secondary: rgba(255,255,255,0.72);
  --ag-text-muted: rgba(255,255,255,0.48);
  --ag-radius: 12px;
  --ag-radius-lg: 20px;
  --ag-transition: 0.25s ease;
}

/* ---- Layout ---- */
.ag-container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.ag-section { padding: 80px 0; background: #0a0a0a; }
.ag-section--alt { background: #0d0d0d; }
.ag-divider { height: 1px; background: linear-gradient(90deg, transparent, var(--ag-glass-border), transparent); }

/* ---- Typography ---- */
.ag-label { font-size: 11px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--ag-red); margin-bottom: 12px; }
.ag-en { color: var(--ag-text-muted); font-size: 0.82em; font-weight: 400; display: block; margin-top: 3px; }
.ag-section-header { margin-bottom: 40px; }
.ag-section-header h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); font-weight: 700; line-height: 1.25; color: var(--ag-text-primary); }
.ag-section-header p { margin-top: 10px; color: var(--ag-text-secondary); max-width: 600px; font-size: 0.95rem; }

/* ---- Buttons ---- */
a.ag-btn, .ag-btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px; border-radius: 8px; font-size: 0.9rem; font-weight: 700; cursor: pointer; transition: all var(--ag-transition); border: none; text-decoration: none !important; color: #fff !important; }
.ag-btn--primary { background: var(--ag-red); color: #fff; }
.ag-btn--primary:hover { background: var(--ag-red-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(175,23,57,0.4); }
.ag-btn--outline, a.ag-btn--outline { background: transparent; color: #fff !important; border: 1.5px solid var(--ag-glass-border); }
.ag-btn--outline:hover { border-color: rgba(255,255,255,0.4); background: var(--ag-glass-bg); color: #fff !important; }
.ag-btn--ghost { background: transparent; color: var(--ag-text-secondary); border: 1.5px solid var(--ag-glass-border); }
.ag-btn--ghost:hover { border-color: rgba(255,255,255,0.3); color: var(--ag-text-primary); }
.ag-btn--sm { padding: 8px 16px; font-size: 0.82rem; }

/* ---- Hero ---- */
.ag-hero { padding: 60px 0 80px; position: relative; overflow: hidden; background: #0a0a0a; }
.ag-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 70% 80% at 80% 20%, rgba(15,122,171,0.14) 0%, transparent 60%), radial-gradient(ellipse 50% 50% at 15% 75%, rgba(175,23,57,0.10) 0%, transparent 55%); pointer-events: none; }
.ag-hero-content { position: relative; z-index: 1; max-width: 700px; }
.ag-hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; line-height: 1.15; margin-bottom: 8px; color: var(--ag-text-primary); }
.ag-hero h1 em { font-style: normal; color: var(--ag-teal); }
.ag-hero-en { font-size: clamp(0.9rem, 2vw, 1.1rem); color: var(--ag-text-muted); margin: 8px 0 20px; font-style: italic; }
.ag-hero-desc { font-size: 0.95rem; color: var(--ag-text-secondary); max-width: 600px; margin-bottom: 32px; line-height: 1.65; }
.ag-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- Product Overview Cards (總覽頁) ---- */
.ag-prod-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.ag-prod-card { background: var(--ag-glass-bg); border: 1px solid var(--ag-glass-border); border-radius: var(--ag-radius); overflow: hidden; transition: all var(--ag-transition); display: flex; flex-direction: column; }
.ag-prod-card:hover { border-color: rgba(175,23,57,0.3); transform: translateY(-3px); }
.ag-prod-img { width: 100%; height: 140px; object-fit: contain; background: #111; padding: 12px; display: block; }
.ag-prod-body { padding: 18px 18px 22px; display: flex; flex-direction: column; flex: 1; }
.ag-prod-badge { display: inline-block; padding: 3px 10px; background: rgba(175,23,57,0.14); border: 1px solid rgba(175,23,57,0.25); border-radius: 100px; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.07em; color: #f4a3b0; margin-bottom: 10px; text-transform: uppercase; align-self: flex-start; }
.ag-prod-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; color: var(--ag-text-primary); }
.ag-prod-en { font-size: 0.76rem; color: var(--ag-text-muted); margin-bottom: 8px; }
.ag-prod-desc { font-size: 0.82rem; color: var(--ag-text-secondary); line-height: 1.5; flex: 1; }
.ag-prod-links { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.ag-prod-links a { padding: 5px 12px; border-radius: 6px; font-size: 0.75rem; font-weight: 600; transition: all var(--ag-transition); text-decoration: none; }
.ag-prod-links a.ag-link--product { background: rgba(175,23,57,0.12); border: 1px solid rgba(175,23,57,0.25); color: #f4a3b0; }
.ag-prod-links a.ag-link--product:hover { background: rgba(175,23,57,0.25); }
.ag-prod-links a.ag-link--tech { background: rgba(15,122,171,0.12); border: 1px solid rgba(15,122,171,0.25); color: #7dcfef; }
.ag-prod-links a.ag-link--tech:hover { background: rgba(15,122,171,0.25); }

/* ---- Industry Cards (總覽頁) ---- */
.ag-ind-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.ag-ind-card { display: flex; flex-direction: column; background: var(--ag-glass-bg); border: 1px solid var(--ag-glass-border); border-radius: var(--ag-radius-lg); overflow: hidden; transition: all var(--ag-transition); text-decoration: none; color: inherit; }
.ag-ind-card:hover { border-color: rgba(15,122,171,0.35); transform: translateY(-4px); }
.ag-ind-img { width: 100%; height: 160px; object-fit: cover; display: block; }
.ag-ind-body { padding: 22px 24px; display: flex; flex-direction: column; flex: 1; }
.ag-ind-label { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ag-teal); margin-bottom: 8px; }
.ag-ind-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--ag-text-primary); margin-bottom: 4px; }
.ag-ind-en { font-size: 0.8rem; color: var(--ag-text-muted); margin-bottom: 10px; }
.ag-ind-desc { font-size: 0.84rem; color: var(--ag-text-secondary); line-height: 1.5; flex: 1; }
.ag-ind-products { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 14px; }
.ag-tag { padding: 3px 9px; border-radius: 100px; font-size: 0.68rem; font-weight: 600; background: rgba(0,74,153,0.12); border: 1px solid rgba(0,74,153,0.2); color: #7eb8ff; }
.ag-ind-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 0.82rem; font-weight: 700; color: var(--ag-red); }
.ag-ind-link:hover { color: #f4a3b0; }

/* ---- Requirement Cards (產業頁) ---- */
.ag-req-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.ag-req-card { background: var(--ag-glass-bg); border: 1px solid var(--ag-glass-border); border-radius: var(--ag-radius); padding: 24px 20px; position: relative; overflow: hidden; transition: all var(--ag-transition); }
.ag-req-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--ag-red), var(--ag-blue)); border-radius: 3px 3px 0 0; }
.ag-req-card:hover { border-color: rgba(175,23,57,0.3); transform: translateY(-3px); }
.ag-req-accent { position: absolute; top: 0; left: 0; right: 0; height: 3px; border-radius: 3px 3px 0 0; }
.ag-req-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; color: var(--ag-text-primary); }
.ag-req-spec { display: inline-block; padding: 3px 10px; background: rgba(15,122,171,0.12); border: 1px solid rgba(15,122,171,0.2); border-radius: 100px; font-size: 0.72rem; font-weight: 700; color: #7dcfef; margin-bottom: 10px; }
.ag-req-card p { font-size: 0.84rem; color: var(--ag-text-secondary); line-height: 1.55; }

/* ---- Product Solution Cards (產業頁) ---- */
.ag-product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.ag-product-card { background: var(--ag-glass-bg); border: 1px solid var(--ag-glass-border); border-radius: var(--ag-radius-lg); padding: 28px 24px; transition: all var(--ag-transition); position: relative; overflow: hidden; }
.ag-product-card::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--ag-red), transparent); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease; }
.ag-product-card:hover { border-color: rgba(175,23,57,0.3); transform: translateY(-4px); }
.ag-product-card:hover::after { transform: scaleX(1); }
.ag-product-badge { display: inline-block; padding: 3px 11px; background: rgba(175,23,57,0.14); border: 1px solid rgba(175,23,57,0.25); border-radius: 100px; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.07em; color: #f4a3b0; margin-bottom: 14px; text-transform: uppercase; }
.ag-product-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; color: var(--ag-text-primary); }
.ag-product-desc { font-size: 0.86rem; color: var(--ag-text-secondary); margin-bottom: 16px; line-height: 1.55; }
.ag-spec-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.ag-spec-list li { display: flex; align-items: flex-start; gap: 9px; font-size: 0.84rem; color: var(--ag-text-secondary); }
.ag-spec-list li::before { content: ''; display: block; width: 5px; height: 5px; border-radius: 50%; background: var(--ag-red); margin-top: 7px; flex-shrink: 0; }
.ag-spec-hi { color: var(--ag-text-primary); font-weight: 700; }
.ag-product-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }

/* ---- Application Case Cards (產業頁) ---- */
.ag-case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.ag-case-card { background: var(--ag-glass-bg); border: 1px solid var(--ag-glass-border); border-radius: var(--ag-radius); overflow: hidden; transition: all var(--ag-transition); }
.ag-case-card:hover { border-color: rgba(0,74,153,0.4); transform: translateY(-3px); }
.ag-case-img { width: 100%; height: 200px; object-fit: cover; display: block; }
.ag-case-body { padding: 20px; }
.ag-case-label { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ag-blue-lt); margin-bottom: 8px; }
.ag-case-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--ag-text-primary); }
.ag-case-desc { font-size: 0.84rem; color: var(--ag-text-secondary); line-height: 1.55; }
.ag-case-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 12px; }

/* ---- Cross Links (產業頁) ---- */
.ag-xlink-grid { display: flex; gap: 14px; flex-wrap: wrap; }
.ag-xlink { display: flex; align-items: center; gap: 8px; padding: 10px 16px; background: var(--ag-glass-bg); border: 1px solid var(--ag-glass-border); border-radius: 8px; font-size: 0.84rem; color: var(--ag-text-secondary); transition: all var(--ag-transition); text-decoration: none; }
.ag-xlink:hover { border-color: rgba(255,255,255,0.25); color: var(--ag-text-primary); transform: translateY(-2px); }

/* ---- Hero Summary Stats ---- */
.ag-hero-summary { display: flex; gap: 40px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--ag-glass-border); }
.ag-summary-item { display: flex; flex-direction: column; }
.ag-summary-value { font-size: 2rem; font-weight: 800; color: var(--ag-red); line-height: 1; }
.ag-summary-label { font-size: 0.78rem; color: var(--ag-text-muted); margin-top: 4px; }
@media (max-width: 500px) { .ag-hero-summary { gap: 24px; } .ag-summary-value { font-size: 1.5rem; } }

/* ---- Pain Point Cards (技術挑戰) ---- */
.ag-pain-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.ag-pain-card { background: var(--ag-glass-bg); border: 1px solid var(--ag-glass-border); border-radius: var(--ag-radius); padding: 24px 20px; cursor: pointer; transition: all var(--ag-transition); position: relative; overflow: hidden; text-decoration: none; color: inherit; display: block; }
.ag-pain-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--pain-color, var(--ag-red)); border-radius: 2px 2px 0 0; transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease; }
.ag-pain-card:hover { border-color: rgba(255,255,255,0.2); transform: translateY(-3px); }
.ag-pain-card:hover::before { transform: scaleX(1); }
.ag-pain-img { width: 100%; height: 140px; object-fit: cover; border-radius: 6px; margin-bottom: 14px; opacity: 0.85; transition: opacity var(--ag-transition); display: block; }
.ag-pain-card:hover .ag-pain-img { opacity: 1; }
.ag-pain-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 2px; color: var(--ag-text-primary); }
.ag-pain-en { font-size: 0.75rem; color: var(--ag-text-muted); margin-bottom: 10px; }
.ag-pain-spec { font-size: 0.78rem; font-weight: 600; color: var(--pain-color, var(--ag-red)); margin-bottom: 8px; font-family: 'SF Mono', 'Consolas', monospace; }
.ag-pain-desc { font-size: 0.82rem; color: var(--ag-text-secondary); line-height: 1.5; margin-bottom: 14px; }
.ag-pain-meta { display: flex; align-items: center; justify-content: space-between; font-size: 0.72rem; color: var(--ag-text-muted); padding-top: 10px; border-top: 1px solid rgba(255,255,255,0.06); }
.ag-pain-industries { color: var(--ag-text-muted); }

/* ---- CTA Section ---- */
.ag-cta { text-align: center; }
.ag-cta h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); font-weight: 700; color: var(--ag-text-primary); margin-bottom: 12px; }
.ag-cta p { color: var(--ag-text-secondary); font-size: 0.95rem; margin-bottom: 28px; max-width: 500px; margin-left: auto; margin-right: auto; }
.ag-cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.ag-cta-box { background: var(--ag-glass-bg); border: 1px solid var(--ag-glass-border); border-radius: var(--ag-radius-lg); padding: 56px 48px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 32px; }
.ag-cta-box h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); font-weight: 700; color: var(--ag-text-primary); margin-bottom: 10px; }
.ag-cta-box p { color: var(--ag-text-secondary); font-size: 0.9rem; max-width: 480px; }
.ag-cta-actions { display: flex; flex-direction: column; gap: 10px; min-width: 180px; }
@media (max-width: 640px) { .ag-cta-box { grid-template-columns: 1fr; padding: 36px 24px; } .ag-cta-actions { flex-direction: column; } }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .ag-section { padding: 56px 0; }
  .ag-hero { padding: 40px 0 60px; }
  .ag-prod-grid { grid-template-columns: 1fr; }
  .ag-ind-grid { grid-template-columns: 1fr; }
  .ag-req-grid { grid-template-columns: 1fr; }
  .ag-product-grid { grid-template-columns: 1fr; }
  .ag-case-grid { grid-template-columns: 1fr; }
  .ag-pain-grid { grid-template-columns: 1fr; }
}