/* ============================================
   THE FOOTBALL STATS BOOK — stats-book.css
   Dark green accent, data-driven aesthetic
   Extends style.css (shared base)
   ============================================ */

:root {
    --sb-dark: #0a0f0a;
    --sb-green: #2E7D32;
    --sb-green-light: #4CAF50;
    --sb-green-glow: rgba(46, 125, 50, 0.15);
    --sb-cream: #f5f5f0;
}

/* --- NAV --- */
.site-nav {
    background: var(--sb-dark);
    padding: 14px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-back {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-back:hover {
    color: var(--sb-green-light);
}

/* --- HERO (override base) --- */
.sb-hero {
    background: var(--sb-dark);
    padding: 60px 24px 72px;
}

.sb-hero::before {
    background: radial-gradient(ellipse at 50% 30%, var(--sb-green-glow) 0%, transparent 60%);
}

.sb-hero-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 60px;
}

.sb-hero-text {
    flex: 1;
    text-align: left;
}

.sb-hero-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 12px;
    color: var(--white);
}

.sb-hero-subtitle {
    font-family: 'Lora', Georgia, serif;
    font-style: italic;
    font-size: 1rem;
    color: rgba(255,255,255,0.55);
    margin-bottom: 20px;
    line-height: 1.5;
}

.sb-hero-description {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--sb-green-light);
    margin-bottom: 32px;
    letter-spacing: 0.02em;
}

.sb-hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.sb-hero .hero-cta {
    background: var(--sb-green);
    color: var(--white);
}

.sb-hero .hero-cta:hover {
    background: var(--sb-green-light);
}

.hero-cta--ghost {
    background: transparent !important;
    color: rgba(255,255,255,0.7) !important;
    border: 1.5px solid rgba(255,255,255,0.25);
}

.hero-cta--ghost:hover {
    color: var(--white) !important;
    border-color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.05) !important;
}

.sb-hero-cover {
    flex-shrink: 0;
}

.sb-hero-cover img {
    width: 280px;
    border-radius: 8px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 80px var(--sb-green-glow);
}

/* --- BIG NUMBERS --- */
.sb-numbers {
    background: var(--sb-dark);
    padding: 0 0 60px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sb-numbers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.sb-number-value {
    display: block;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--sb-green-light);
    letter-spacing: -0.02em;
}

.sb-number-label {
    display: block;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.45);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* --- SAMPLE PAGE --- */
.sb-sample {
    padding: 80px 0;
    background: var(--white);
}

.sb-sample .section-title {
    color: var(--sb-dark);
}

.sb-sample-layout {
    display: flex;
    gap: 48px;
    align-items: flex-start;
    margin-top: 48px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.sb-sample-image {
    flex-shrink: 0;
    width: 420px;
}

.sb-sample-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.12), 0 1px 3px rgba(0,0,0,0.06);
    border: 1px solid var(--gray-100);
    padding: 12px;
    background: var(--white);
}

.sb-sample-callouts {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-top: 16px;
}

.sb-callout {
    padding: 16px 20px;
    border-left: 3px solid var(--sb-green);
    background: var(--sb-cream);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.sb-callout strong {
    display: block;
    font-size: 0.92rem;
    color: var(--sb-dark);
    margin-bottom: 4px;
}

.sb-callout span {
    font-size: 0.82rem;
    color: var(--text-light);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .sb-sample-layout {
        flex-direction: column;
        align-items: center;
    }
    .sb-sample-image {
        width: 100%;
        max-width: 360px;
    }
}

/* --- CHART SHOWCASE --- */
.sb-showcase {
    padding: 80px 0;
    background: var(--sb-cream);
}

.sb-showcase .section-title {
    color: var(--sb-dark);
}

.sb-chart-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.sb-chart-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.sb-chart-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.sb-chart-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    padding: 16px;
    background: #fafafa;
}

.sb-chart-label {
    padding: 14px 16px 16px;
}

.sb-chart-label strong {
    display: block;
    font-size: 0.9rem;
    color: var(--sb-dark);
    margin-bottom: 2px;
}

.sb-chart-label span {
    font-size: 0.8rem;
    color: var(--text-light);
}

.sb-chart-footnote {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 32px;
    font-style: italic;
}

/* --- POSITION GROUPS --- */
.sb-positions {
    padding: 80px 0;
    background: var(--white);
}

.sb-positions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 48px;
}

.sb-position-card {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius);
    border: 1.5px solid var(--gray-100);
    transition: border-color 0.2s;
}

.sb-position-card:hover {
    border-color: var(--sb-green);
}

.sb-position-count {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--sb-green);
    line-height: 1;
    margin-bottom: 8px;
}

.sb-position-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--sb-dark);
    margin-bottom: 8px;
}

.sb-position-card p {
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* --- PLAYER TAGS --- */
.sb-players {
    padding: 80px 0;
    background: var(--sb-cream);
}

.sb-player-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 32px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.sb-player-tags span {
    display: inline-block;
    padding: 8px 16px;
    background: var(--white);
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text);
    border: 1px solid var(--gray-100);
    white-space: nowrap;
}

.sb-player-more {
    background: var(--sb-green) !important;
    color: var(--white) !important;
    border-color: var(--sb-green) !important;
    font-weight: 700 !important;
}

/* --- DATA CREDIBILITY --- */
.sb-data {
    padding: 72px 0;
    background: var(--sb-dark);
    color: var(--white);
}

.sb-data .section-title {
    color: var(--white);
}

.sb-data .section-subtitle {
    color: rgba(255,255,255,0.6);
    max-width: 640px;
}

.sb-data-sources {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

.sb-data-sources span {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 100px;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.03em;
}

/* --- BUY SECTION --- */
.sb-buy {
    padding: 80px 0;
    background: var(--white);
}

.sb-buy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 440px;
    margin: 0 auto 32px;
}

.sb-buy-card {
    text-align: center;
    padding: 28px 20px;
    border-radius: var(--radius);
    border: 1.5px solid var(--gray-100);
}

.sb-buy-card--featured {
    border-color: var(--sb-green);
    background: linear-gradient(to bottom, rgba(46,125,50,0.04), transparent);
}

.sb-buy-format {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 8px;
}

.sb-buy-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--sb-dark);
}

.sb-buy-detail {
    font-size: 0.78rem;
    color: var(--gray-500);
    margin-top: 4px;
}

.sb-buy-cta {
    text-align: center;
}

.sb-buy-cta .hero-cta {
    background: var(--sb-green);
    color: var(--white);
}

.sb-buy-cta .hero-cta:hover {
    background: var(--sb-green-light);
}

/* --- CROSS-PROMO --- */
.sb-crosspromo {
    padding: 80px 0;
    background: var(--off-white);
}

.sb-crosspromo-inner {
    display: flex;
    align-items: center;
    gap: 48px;
    max-width: 720px;
    margin: 0 auto;
}

.sb-crosspromo-covers {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.sb-crosspromo-covers img {
    width: 120px;
    border-radius: 6px;
    box-shadow: var(--shadow);
}

.sb-crosspromo-eyebrow {
    font-family: 'Lora', Georgia, serif;
    font-style: italic;
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 4px;
}

.sb-crosspromo-text h3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--navy);
    letter-spacing: 0.06em;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sb-crosspromo-text p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 20px;
}

.sb-crosspromo-text .hero-cta--ghost {
    color: var(--navy) !important;
    border-color: var(--gray-300);
}

.sb-crosspromo-text .hero-cta--ghost:hover {
    border-color: var(--gold);
    color: var(--navy) !important;
    background: rgba(232, 168, 56, 0.06) !important;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .sb-hero-inner {
        flex-direction: column-reverse;
        text-align: center;
        gap: 32px;
    }

    .sb-hero-text {
        text-align: center;
    }

    .sb-hero-buttons {
        justify-content: center;
    }

    .sb-hero-cover img {
        width: 220px;
    }

    .sb-numbers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .sb-chart-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sb-positions-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sb-buy-grid {
        grid-template-columns: 1fr;
        max-width: 260px;
    }

    .sb-crosspromo-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .sb-chart-grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin-left: auto;
        margin-right: auto;
    }

    .sb-positions-grid {
        grid-template-columns: 1fr;
        max-width: 280px;
        margin-left: auto;
        margin-right: auto;
    }

    .sb-numbers-grid {
        grid-template-columns: 1fr 1fr;
    }
}