/* ═══════════════════════════════════════════════════════════
   COURSE DETAIL PAGE STYLES — RootAxis Technologies
   ═══════════════════════════════════════════════════════════ */
:root {
    --ra-brand: var(--ra-primary);
    --cd-dark: #0b0f19;
    --cd-card-bg: #ffffff;
    --cd-border: #eaeaea;
}

.cd-hero {
    background: var(--cd-dark);
    padding: 30px 0 30px;
    position: relative;
    overflow: hidden;
}
.cd-dot-grid {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}
.cd-hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}
.cd-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 14px;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ra-primary);
    background: rgba(var(--ra-primary-rgb), 0.1);
    border: 1px solid rgba(var(--ra-primary-rgb), 0.2);
    border-radius: 8px;
}

.cd-section-white { background: #ffffff; padding: 90px 0; }
.cd-section-light { background: #fafafa; border-top: 1px solid #eaeaea; border-bottom: 1px solid #eaeaea; padding: 90px 0; }

.cd-section-heading {
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.cd-card {
    background: #fff;
    border: 1px solid var(--cd-border);
    border-radius: 20px;
    transition: all 0.3s ease;
}
.cd-card:hover { border-color: var(--ra-primary); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.06); }

.cd-pillar { padding: 28px; height: 100%; }

.cd-sidebar-card {
    background: #ffffff;
    border: 1px solid #eaeaea;
    border-radius: 24px;
    padding: 32px;
    position: sticky;
    top: 120px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}
.cd-sidebar-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f1f1f1;
}
.cd-sidebar-row:last-child { border-bottom: none; }

.cd-phase {
    padding: 24px 28px;
    border-radius: 16px;
    background: #fafafa;
    border: 1px solid #e8edf2;
    border-left: 4px solid var(--ra-primary);
    transition: all 0.25s;
    cursor: pointer;
}
.cd-phase:hover { background: #fff5eb; border-color: var(--ra-primary); }

.cd-tech-pill {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    background: #f4f6fa;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 12px 18px;
    margin: 5px;
    font-weight: 700;
    font-size: 0.85rem;
    color: #1e293b;
    transition: all 0.25s;
    min-width: 100px;
    text-align: center;
}
.cd-tech-pill:hover { background: rgba(var(--ra-primary-rgb), 0.08); border-color: var(--ra-primary); color: var(--ra-primary); }
.cd-tech-sub { font-size: 0.65rem; font-weight: 600; color: #94a3b8; margin-top: 3px; text-transform: uppercase; letter-spacing: 0.05em; }

.cd-career-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 100px;
    padding: 8px 18px;
    font-size: 0.9rem;
    font-weight: 700;
    color: #1e293b;
    transition: all 0.25s;
}
.cd-career-chip:hover { background: rgba(var(--ra-primary-rgb), 0.06); border-color: var(--ra-primary); color: var(--ra-primary); }

.syllabus-locked-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 380px;
    background: linear-gradient(180deg, transparent 0%, rgba(250,250,250,0.7) 35%, #fafafa 65%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 10;
    text-align: center;
    padding: 0 40px 40px;
    pointer-events: none;
}
.syllabus-locked-overlay > div { pointer-events: auto; }

.cd-project {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 24px;
}

.cd-faq-item {
    background: #fafafa;
    border: 1px solid #eaeaea;
    border-radius: 16px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: box-shadow 0.2s;
}
.cd-faq-item:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.05); }
.cd-faq-btn {
    background: transparent !important;
    font-weight: 700 !important;
    color: #1e293b !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 18px 24px !important;
}
.cd-faq-btn:not(.collapsed) { color: var(--ra-primary) !important; }
.cd-faq-body { padding: 0 24px 18px; color: #64748b; line-height: 1.75; font-size: 0.95rem; }

.cd-salary-box {
    border-radius: 20px;
    padding: 28px;
    text-align: center;
    border: 1px solid;
    transition: transform 0.25s;
}
.cd-salary-box:hover { transform: translateY(-4px); }

.cd-mentor-card {
    background: #fff;
    border: 1px solid #eaeaea;
    border-radius: 20px;
    padding: 28px 24px;
    text-align: center;
    transition: all 0.3s;
}
.cd-mentor-card:hover { border-color: var(--ra-primary); box-shadow: 0 12px 32px rgba(0,0,0,0.06); transform: translateY(-4px); }

.cd-cert-box {
    background: linear-gradient(135deg, #fff7ed 0%, #fff5f5 100%);
    border: 1px solid rgba(var(--ra-primary-rgb), 0.2);
    border-radius: 24px;
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
}
.cd-cert-box::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(var(--ra-primary-rgb), 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cd-related-card {
    background: #fff;
    border: 1px solid #eaeaea;
    border-radius: 20px;
    padding: 24px;
    text-decoration: none;
    display: block;
    transition: all 0.3s;
}
.cd-related-card:hover { border-color: var(--ra-primary); box-shadow: 0 12px 32px rgba(0,0,0,0.06); transform: translateY(-3px); }

.cd-outcome-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 20px;
    background: #fff;
    border: 1px solid #eaeaea;
    border-radius: 14px;
    margin-bottom: 12px;
    transition: all 0.25s;
}
.cd-outcome-item:hover { border-color: var(--ra-primary); background: rgba(var(--ra-primary-rgb), 0.02); }

.cd-sticky-bar {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(150%);
    width: calc(100% - 2rem);
    max-width: 900px;
    background: var(--cd-dark);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 100px;
    padding: 0.5rem 0.5rem 0.5rem 2rem;
    z-index: 1000;
    box-shadow: 0 40px 100px rgba(0,0,0,0.8);
    transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}
.cd-sticky-bar.visible { transform: translateX(-50%) translateY(0); }

@media (max-width: 575.98px) {
    .cd-sticky-bar {
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-width: 100%;
        transform: translateY(150%);
        border-radius: 20px 20px 0 0;
        border-bottom: none;
        padding: 0.75rem 0.75rem 0.75rem 1rem;
        padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
    }
    .cd-sticky-bar.visible { transform: translateY(0); }
    .cd-sticky-bar .cd-sb-title { display: none !important; }
    .cd-sticky-bar .cd-sb-price { display: none !important; }
}

.cd-transform-hover { transition: transform 0.3s ease; }
.cd-transform-hover:hover { transform: translateY(-4px); }

.backdrop-blur-sm { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.backdrop-blur-md { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }

.cd-content-area p { line-height: 1.85; color: #4b5563; margin-bottom: 1.5rem; }
.cd-content-area h3, .cd-content-area h4 { font-weight: 800; color: #1e293b; }
.cd-animate-up { animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards; opacity: 0; transform: translateY(20px); }
.cd-delay-1 { animation-delay: 0.1s; }
.cd-delay-2 { animation-delay: 0.2s; }
.cd-delay-3 { animation-delay: 0.3s; }

@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

.cd-tilt-card { transition: transform 0.3s ease; }
.cd-tilt-card:hover { transform: translateY(-5px) scale(1.02); }
.cd-float { animation: floating 3s ease-in-out infinite; }
@keyframes floating { 0% { transform: translateY(0px); } 50% { transform: translateY(-8px); } 100% { transform: translateY(0px); } }