/* ==========================================================================
   ISB Vietnam Authors Page - Styling System
   ========================================================================== */

.isb-standalone-authors-page {
    background-color: #f8fafc;
    color: #1e293b;
}

/* Hero Section Style */
.isb-standalone-authors-page .isb-page-hero {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.8) 0%, rgba(15, 23, 42, 0.92) 100%),
                url('../../images/authors/banner.webp') center/cover no-repeat;
    color: #ffffff;
    padding: 60px 0 80px 0;
    text-align: center;
}

.isb-standalone-authors-page .hero-title {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.isb-standalone-authors-page .hero-description {
    font-size: 1.125rem;
    color: #cbd5e1;
    max-width: 760px;
    margin: 0 auto;
}

/* Layout Container */
.isb-main-content {
    padding: 60px 0 90px 0;
}

/* ==========================================================================
   Refined Layout Container & Author Grid (Compact Width)
   ========================================================================== */

/* Constrain grid width so author cards are not stretched out */
.authors-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 980px;            /* Fixed stretched out desktop cards */
    margin: 0 auto 60px auto;
}

/* Author Card Design Refinement */
.author-card {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 28px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    display: flex;
    flex-direction: column;
}

.author-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
    border-color: #bfdbfe;
}

.author-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #f1f5f9;
}

.author-avatar {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0056b3 0%, #004085 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.author-card.team .author-avatar {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
    border-radius: 12px;
}

.author-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.3;
    margin: 0 0 4px 0;
}

.author-role {
    font-size: 0.85rem;
    color: #0056b3;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.author-bio {
    font-size: 0.95rem;
    color: #475569;
    line-height: 1.6;
    margin: 0;
}

/* ==========================================================================
   Redesigned Lead Generation CTA Card (High Contrast & Compact)
   ========================================================================== */

.isb-cta-card {
    max-width: 860px;                     /* Fixes elongated horizontal width */
    margin: 60px auto 0 auto;              /* Centers the card perfectly */
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%); /* Modern dark theme */
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-left: 5px solid #0056b3;         /* Vibrant brand blue accent bar */
    border-radius: 16px;
    padding: 36px 44px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
    position: relative;
    overflow: hidden;
}

/* Background subtle glow effect */
.isb-cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(0, 86, 179, 0.35) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 1.35rem;
    color: #ffffff;
    margin-bottom: 8px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.cta-content p {
    color: #cbd5e1;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

.cta-action {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.isb-btn-primary {
    display: inline-block;
    background-color: #0056b3;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 13px 28px;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.25s ease-in-out;
    white-space: nowrap;
    box-shadow: 0 4px 14px rgba(0, 86, 179, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.isb-btn-primary:hover {
    background-color: #004085;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 86, 179, 0.6);
    color: #ffffff;
}

/* ==========================================================================
   Responsive Utilities
   ========================================================================== */

@media (max-width: 900px) {
    .authors-grid {
        grid-template-columns: 1fr;
    }

    .isb-cta-card {
        flex-direction: column;
        text-align: center;
        padding: 32px 28px;
        gap: 20px;
    }

    .isb-cta-card {
        border-left: 1px solid rgba(255, 255, 255, 0.12);
        border-top: 4px solid #0056b3; /* Switches accent bar to top on mobile */
    }
}

/* ==========================================================================
   Content Container & Aligned White Breadcrumbs
   ========================================================================== */

/* Main content width constraint (Centered on screen) */
.isb-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
    box-sizing: border-box;
}

/* Hero Banner Section */
.isb-page-hero {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.95) 100%),
                url('../../images/banner.png') center/cover no-repeat;
    padding: 50px 0 70px 0;
    text-align: center;         /* Title and description remain centered */
    width: 100%;
}

/* Breadcrumbs - Left-aligned relative to .isb-container with bright white text */
.isb-breadcrumbs {
    text-align: left;           /* Align left relative to the content container */
    font-size: 0.875rem;
    color: #ffffff;
    margin-bottom: 24px;
    width: 100%;
}

.isb-breadcrumbs a {
    color: #ffffff;             /* Bright white link text */
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.2s ease;
}

.isb-breadcrumbs a:hover {
    opacity: 1;
    text-decoration: underline;
}

.isb-breadcrumbs .separator {
    margin: 0 8px;
    color: rgba(255, 255, 255, 0.6); /* Soft white separator for clean contrast */
}

.isb-breadcrumbs .current {
    color: #ffffff;             /* Current page title in solid bright white */
    font-weight: 600;
    opacity: 1;
}