/* TBWA-Style Proof Page Enhancements */

/* Category Copy Container */
.category-copy {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.category-copy::before {
    content: '';
    position: absolute;
    top: -30px;
    left: -20px;
    right: -20px;
    bottom: -30px;
    background: 
        radial-gradient(circle at top left, rgba(30, 213, 195, 0.05) 0%, transparent 50%),
        radial-gradient(circle at bottom right, rgba(255, 90, 95, 0.05) 0%, transparent 50%);
    border-radius: 30px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.proof-category:hover .category-copy::before {
    opacity: 1;
}

/* Enhanced Case Blocks */
.case-block {
    margin-bottom: 2.5rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(248, 250, 252, 0.8) 50%, 
        rgba(255, 255, 255, 0.95) 100%
    );
    border-radius: 20px;
    border: 1px solid rgba(30, 213, 195, 0.1);
    position: relative;
    transform: translateX(-20px);
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    backdrop-filter: blur(10px);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.06),
        0 2px 16px rgba(30, 213, 195, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    overflow: hidden;
}

.case-block.animate-in {
    transform: translateX(0);
    opacity: 1;
}

.case-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(30, 213, 195, 0.1) 50%, 
        transparent 100%
    );
    transition: left 0.8s ease;
}

.case-block:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 8px 32px rgba(30, 213, 195, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border-color: rgba(30, 213, 195, 0.3);
}

.case-block:hover::before {
    left: 100%;
}

.case-block h4 {
    font-size: 1.6rem;
    color: var(--midnight-blue);
    margin-bottom: 1rem;
    font-weight: 700;
    font-family: var(--font-primary);
    position: relative;
    z-index: 2;
    transition: color 0.3s ease;
}

.case-block:hover h4 {
    color: var(--coral-red);
}

.case-block > p {
    color: var(--dark-gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    position: relative;
    z-index: 2;
}

.case-block ul {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
    position: relative;
    z-index: 2;
}

.case-block li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 0.8rem;
    color: var(--dark-gray);
    line-height: 1.6;
    font-weight: 500;
    transition: all 0.3s ease;
}

.case-block li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--electric-teal), var(--coral-red));
    border-radius: 50%;
    transform: scale(1);
    transition: transform 0.3s ease;
}

.case-block:hover li::before {
    transform: scale(1.3);
}

.case-block:hover li {
    color: var(--midnight-blue);
    transform: translateX(5px);
}

/* Enhanced Video Links */
.video-links {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    position: relative;
    z-index: 2;
}

.video-link {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--midnight-blue), var(--coral-red));
    padding: 2px;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.video-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

.video-link:hover::before {
    left: 100%;
}

.video-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(255, 90, 95, 0.3);
}

.external-video-link {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.9) 100%);
    color: var(--midnight-blue);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow: hidden;
}

.external-video-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--coral-red), var(--electric-teal));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.external-video-link:hover::before {
    opacity: 1;
}

.external-video-link:hover {
    color: var(--white);
    transform: translateY(-2px);
    border-color: transparent;
    box-shadow: 0 8px 20px rgba(255, 90, 95, 0.4);
}

.external-video-link i {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.external-video-link:hover i {
    transform: scale(1.1);
}

/* Enhanced Final CTA */
.proof-final-cta {
    background: 
        linear-gradient(135deg, var(--midnight-blue) 0%, rgba(11, 28, 63, 0.9) 30%, var(--coral-red) 70%, var(--electric-teal) 100%),
        radial-gradient(circle at 20% 20%, rgba(255, 90, 95, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(30, 213, 195, 0.2) 0%, transparent 50%);
    padding: 100px 0;
    text-align: center;
    color: var(--white);
    margin-top: 100px;
    position: relative;
    overflow: hidden;
}

.proof-final-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-conic-gradient(
        from 0deg at 50% 50%, 
        transparent 0deg, 
        rgba(255,255,255,0.03) 2deg, 
        transparent 4deg
    );
    animation: rotate 40s linear infinite;
    pointer-events: none;
}

.proof-final-cta h2 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 2rem;
    font-family: var(--font-primary);
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
    position: relative;
    z-index: 2;
}

.proof-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

/* Stagger animation delays for case blocks */
.case-block:nth-child(1) { animation-delay: 0.1s; }
.case-block:nth-child(2) { animation-delay: 0.2s; }
.case-block:nth-child(3) { animation-delay: 0.3s; }
.case-block:nth-child(4) { animation-delay: 0.4s; }

/* Smooth scroll behavior */
.proof-category {
    scroll-margin-top: 100px;
}

/* Enhanced focus states */
.external-video-link:focus,
.category-header:focus {
    outline: 3px solid rgba(30, 213, 195, 0.6);
    outline-offset: 4px;
    border-radius: 8px;
}