/* 
 * Studies Learning Premium - SL Business (B2B Professional)
 * Isolated styles with .studies-p-biz- prefix
 */

:root {
    --sp-biz-navy: #0a192f;
    --sp-biz-blue: #0047ff;
    --sp-biz-cyan: #00d4aa;
    --sp-biz-silver: #e2e8f0;
    --sp-biz-surface: #f8fafc;
    --sp-biz-on-surface: #0f172a;
    --sp-biz-on-surface-variant: #475569;
    --sp-biz-accent: #f59e0b; /* Gold/Amber for Professional accent */
}

/* 1. Hero Section "Business Elite" */
.studies-p-biz-hero {
    position: relative;
    padding: 12rem 2rem 15rem;
    background: radial-gradient(circle at top right, #1e293b, #0f172a);
    overflow: hidden;
    color: white;
}

.studies-p-biz-hero .banner-inner {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 10;
}

.studies-p-biz-hero-content {
    flex: 1.2;
    max-width: 700px;
}

.studies-p-biz-hero-badge {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
    color: var(--sp-biz-cyan);
}

.studies-p-biz-hero-title {
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.studies-p-biz-hero-title span {
    color: var(--sp-biz-cyan);
}

.studies-p-biz-hero-robot {
    flex: 0.8;
    display: flex;
    justify-content: flex-end;
}

.studies-p-biz-hero-robot img {
    max-width: 500px;
    width: 100%;
    animation: floatRobotBiz 8s ease-in-out infinite;
}

@keyframes floatRobotBiz {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(1deg); }
}

/* 2. Solutions Section */
.studies-p-biz-solutions {
    padding: 8rem 2rem;
    background: white;
    margin-top: -8rem;
    position: relative;
    z-index: 20;
    border-radius: 4rem 4rem 0 0;
}

.studies-p-biz-container {
    max-width: 1300px;
    margin: 0 auto;
}

.studies-p-biz-sol-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.studies-p-biz-sol-card {
    padding: 3.5rem 2.5rem;
    background: var(--sp-biz-surface);
    border-radius: 2.5rem;
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.studies-p-biz-sol-card:hover {
    transform: translateY(-12px);
    background: white;
    box-shadow: 0 40px 80px rgba(15, 23, 42, 0.08);
}

.studies-p-biz-sol-icon {
    width: 64px;
    height: 64px;
    background: white;
    border-radius: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--sp-biz-blue);
    margin-bottom: 2rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

/* 3. Performance Center (ROI & Tracking) */
.studies-p-biz-performance {
    padding: 8rem 2rem;
    background: #f1f5f9;
}

.studies-p-biz-perf-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.studies-p-biz-dashboard-mockup {
    background: white;
    border-radius: 2.5rem;
    padding: 3rem;
    box-shadow: 0 50px 100px rgba(15, 23, 42, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.studies-p-biz-chart-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.studies-p-biz-chart-bar-container {
    display: flex;
    align-items: flex-end;
    gap: 1.5rem;
    height: 250px;
}

.studies-p-biz-chart-bar {
    flex: 1;
    background: var(--sp-biz-blue);
    border-radius: 0.75rem 0.75rem 0 0;
    position: relative;
    transition: height 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.studies-p-biz-chart-bar::after {
    content: attr(data-value);
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--sp-biz-navy);
}

/* 4. Corporate Pricing */
.studies-p-biz-pricing {
    padding: 8rem 2rem;
}

.studies-p-biz-price-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 5rem;
}

.studies-p-biz-price-card {
    background: white;
    padding: 4rem 3rem;
    border-radius: 3rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
    text-align: center;
}

.studies-p-biz-price-card.featured {
    background: var(--sp-biz-navy);
    color: white;
    transform: scale(1.05);
    border: none;
}

.studies-p-biz-price-btn {
    width: 100%;
    padding: 1.2rem;
    border-radius: 3rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.studies-p-biz-price-card .studies-p-biz-price-btn {
    background: var(--sp-biz-blue);
    color: white;
}

.studies-p-biz-price-card.featured .studies-p-biz-price-btn {
    background: var(--sp-biz-cyan);
    color: var(--sp-biz-navy);
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .studies-p-biz-hero .banner-inner { flex-direction: column; text-align: center; }
    .studies-p-biz-hero-robot { margin-top: 4rem; justify-content: center; }
    .studies-p-biz-perf-grid { grid-template-columns: 1fr; }
    .studies-p-biz-price-grid { grid-template-columns: 1fr; }
    .studies-p-biz-price-card.featured { transform: scale(1); }
}