.preview-grid { display: grid; grid-template-columns: 1fr; gap: 14px; margin-top: 20px; }
.preview-grid .preview-card { position: relative; background: #FFFFFF; border: 1px solid #E1E8F0; border-radius: 14px; padding: 18px 20px 16px; display: grid; grid-template-columns: auto 1fr; grid-template-areas: "rank brand" "details details" "bonus bonus" "cta cta"; gap: 14px; transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease; }
.preview-grid .preview-card:hover { border-color: #00C853; transform: translateY(-3px); box-shadow: 0 16px 40px rgba(10, 22, 40, 0.08); }
.preview-grid .preview-card .preview-rank { grid-area: rank; display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; background: linear-gradient(135deg, #00C853 0%, #2962FF 100%); color: #FFFFFF; font-size: 20px; font-weight: 900; border-radius: 10px; font-variant-numeric: tabular-nums; }
.preview-grid .preview-card .preview-rank-2 { background: linear-gradient(135deg, #2962FF 0%, #5DA0FF 100%); }
.preview-grid .preview-card .preview-rank-3 { background: linear-gradient(135deg, #FFB300 0%, #FF8800 100%); }
.preview-grid .preview-card .preview-brand { grid-area: brand; display: flex; align-items: center; gap: 12px; min-width: 0; }
.preview-grid .preview-card .preview-brand .preview-logo-wrap { flex-shrink: 0; width: 88px; height: 44px; padding: 4px 6px; border-radius: 8px; overflow: hidden; background: #FFFFFF; border: 1px solid #E1E8F0; display: flex; align-items: center; justify-content: center; box-sizing: border-box; }
.preview-grid .preview-card .preview-brand .preview-logo-wrap .preview-logo { display: block; max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.preview-grid .preview-card .preview-brand .preview-logo-wrap[data-bid="fortuna"] { background: #FFD400; border-color: #FFD400; }
.preview-grid .preview-card .preview-brand .preview-logo-wrap[data-bid="sts"] { padding: 0; }
.preview-grid .preview-card .preview-brand .preview-logo-wrap[data-bid="sts"] .preview-logo { width: 100%; height: 100%; max-width: none; max-height: none; object-fit: cover; border-radius: 6px; }
.preview-grid .preview-card .preview-brand .preview-brand-info { display: flex; flex-direction: column; justify-content: center; gap: 2px; min-width: 0; }
.preview-grid .preview-card .preview-brand .preview-name { font-size: 18px; font-weight: 800; color: #0A1628; letter-spacing: -0.3px; }
.preview-grid .preview-card .preview-brand .preview-rating { font-size: 13px; color: #5A6A7E; font-weight: 600; }
.preview-grid .preview-card .preview-brand .preview-rating .preview-stars { color: #FFB300; letter-spacing: 1px; margin-right: 4px; }
.preview-grid .preview-card .preview-details { grid-area: details; font-size: 13px; color: #5A6A7E; line-height: 1.5; }
.preview-grid .preview-card .preview-bonus { grid-area: bonus; padding: 12px 14px; background: linear-gradient(135deg, rgba(0, 200, 83, 0.06) 0%, rgba(41, 98, 255, 0.06) 100%); border-radius: 8px; border-left: 3px solid #00C853; }
.preview-grid .preview-card .preview-bonus .preview-bonus-label { font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.8px; color: #2962FF; margin-bottom: 4px; }
.preview-grid .preview-card .preview-bonus .preview-bonus-amount { font-size: 15px; font-weight: 800; color: #0A1628; line-height: 1.3; letter-spacing: -0.2px; }
.preview-grid .preview-card .preview-cta { grid-area: cta; display: flex; flex-direction: column; gap: 6px; }
.preview-grid .preview-card .preview-cta .cta-button { width: 100%; }
.preview-grid .preview-card .preview-cta .preview-meta { font-size: 11px; color: #5A6A7E; text-align: center; }
.preview-grid .preview-card .preview-cta .preview-meta .preview-sponsor { color: #FF3D00; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }

.preview-foot { display: flex; justify-content: center; margin-top: 18px; }
.preview-foot .preview-foot-link { display: inline-flex; align-items: center; gap: 8px; padding: 14px 24px; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.5px; color: #2962FF; border: 2px solid #2962FF; border-radius: 8px; transition: background 0.2s ease, color 0.2s ease; }
.preview-foot .preview-foot-link:hover { background: #2962FF; color: #FFFFFF; }

.nav-card-grid { display: grid; grid-template-columns: 1fr; gap: 14px; margin-top: 20px; }
.nav-card-grid .nav-card { position: relative; display: block; background: #FFFFFF; border: 1px solid #E1E8F0; border-radius: 14px; padding: 20px; transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease; overflow: hidden; }
.nav-card-grid .nav-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, #00C853 0%, #2962FF 100%); transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease; }
.nav-card-grid .nav-card:hover { border-color: #2962FF; transform: translateY(-3px); box-shadow: 0 16px 40px rgba(10, 22, 40, 0.08); }
.nav-card-grid .nav-card:hover::before { transform: scaleX(1); }
.nav-card-grid .nav-card .nav-card-icon { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; background: rgba(41, 98, 255, 0.1); border-radius: 12px; margin-bottom: 18px; transition: background 0.2s ease; }
.nav-card-grid .nav-card .nav-card-icon .icon-svg { width: 24px; height: 24px; color: #2962FF; }
.nav-card-grid .nav-card:hover .nav-card-icon { background: rgba(41, 98, 255, 0.18); }
.nav-card-grid .nav-card .nav-card-eyebrow { display: block; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.8px; color: #5A6A7E; margin-bottom: 6px; }
.nav-card-grid .nav-card .nav-card-title { font-size: 20px; font-weight: 800; color: #0A1628; line-height: 1.25; letter-spacing: -0.3px; margin-bottom: 10px; }
.nav-card-grid .nav-card .nav-card-text { font-size: 14px; color: #5A6A7E; line-height: 1.55; margin-bottom: 18px; }
.nav-card-grid .nav-card .nav-card-arrow { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: #2962FF; text-transform: uppercase; letter-spacing: 1px; }
.nav-card-grid .nav-card .nav-card-arrow .arrow-icon { width: 14px; height: 14px; transition: transform 0.2s ease; }
.nav-card-grid .nav-card:hover .nav-card-arrow .arrow-icon { transform: translateX(4px); }

.intro-grid { display: grid; grid-template-columns: 1fr; gap: 18px; margin-top: 20px; }
.intro-grid .intro-card { position: relative; padding: 22px 20px 18px; background: #FFFFFF; border: 1px solid #E1E8F0; border-radius: 16px; box-shadow: 0 8px 24px rgba(10, 22, 40, 0.06); transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease; overflow: hidden; }
.intro-grid .intro-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, #00C853 0%, #2962FF 100%); }
.intro-grid .intro-card:hover { transform: translateY(-4px); box-shadow: 0 20px 44px rgba(10, 22, 40, 0.12); border-color: #00C853; }
.intro-grid .intro-card .intro-card-num { display: flex; align-items: center; justify-content: center; width: 52px; height: 52px; background: linear-gradient(135deg, #00C853 0%, #2962FF 100%); border-radius: 14px; font-size: 22px; font-weight: 900; color: #FFFFFF; margin-bottom: 18px; box-shadow: 0 8px 20px rgba(41, 98, 255, 0.28); letter-spacing: -0.5px; }
.intro-grid .intro-card:nth-child(2) .intro-card-num { background: linear-gradient(135deg, #2962FF 0%, #5DA0FF 100%); box-shadow: 0 8px 20px rgba(41, 98, 255, 0.28); }
.intro-grid .intro-card:nth-child(3) .intro-card-num { background: linear-gradient(135deg, #FFB300 0%, #FF8800 100%); box-shadow: 0 8px 20px rgba(255, 136, 0, 0.28); }
.intro-grid .intro-card .intro-card-title { font-size: 18px; font-weight: 800; color: #0A1628; margin-bottom: 8px; letter-spacing: -0.3px; line-height: 1.25; }
.intro-grid .intro-card .intro-card-text { font-size: 14px; color: #2A3A4E; line-height: 1.6; margin: 0; }
.intro-grid .intro-card .intro-card-text a { color: #2962FF; font-weight: 700; }

@media (min-width: 768px) {
  .preview-grid { gap: 18px; }
  .preview-grid .preview-card { grid-template-columns: 60px 1fr 240px 180px; grid-template-areas: "rank brand bonus cta" "rank details bonus cta"; padding: 18px 22px; gap: 18px; align-items: center; }
  .preview-grid .preview-card .preview-rank { width: 60px; height: 60px; font-size: 24px; }
  .preview-grid .preview-card .preview-cta { gap: 6px; }
  .nav-card-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .intro-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
}

@media (min-width: 1024px) {
  .nav-card-grid { grid-template-columns: repeat(5, 1fr); gap: 14px; }
  .nav-card-grid .nav-card { padding: 20px 16px; }
  .nav-card-grid .nav-card .nav-card-icon { width: 42px; height: 42px; margin-bottom: 14px; }
  .nav-card-grid .nav-card .nav-card-icon .icon-svg { width: 21px; height: 21px; }
  .nav-card-grid .nav-card .nav-card-title { font-size: 18px; margin-bottom: 8px; }
  .nav-card-grid .nav-card .nav-card-text { font-size: 13px; margin-bottom: 14px; }
  .nav-card-grid .nav-card .nav-card-eyebrow { letter-spacing: 1.4px; }
  .nav-card-grid .nav-card .nav-card-arrow { font-size: 12px; letter-spacing: 0.6px; }
}