/* ============================================
   SECURENCE VISUALIZATION — Hub Page Styles
   ============================================ */

/* ──────────── Hero Section ──────────── */
.viz-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 160px 40px 80px;
    overflow: hidden;
}

.viz-hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.viz-hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
}

.viz-hero-glow-1 {
    width: 500px;
    height: 500px;
    background: rgba(168, 85, 247, 0.15);
    top: -100px;
    right: -100px;
    animation: hubGlowFloat1 8s ease-in-out infinite;
}

.viz-hero-glow-2 {
    width: 400px;
    height: 400px;
    background: rgba(59, 130, 246, 0.12);
    bottom: -50px;
    left: -100px;
    animation: hubGlowFloat2 10s ease-in-out infinite;
}

.viz-hero-glow-3 {
    width: 300px;
    height: 300px;
    background: rgba(236, 72, 153, 0.1);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: hubGlowFloat3 12s ease-in-out infinite;
}

@keyframes hubGlowFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-30px, 30px) scale(1.1); }
}

@keyframes hubGlowFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -20px) scale(1.15); }
}

@keyframes hubGlowFloat3 {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.1; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.15; }
}

/* Grid lines background (matches Future section) */
.viz-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(168,85,247,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(168,85,247,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: hubGridMove 20s linear infinite;
}

@keyframes hubGridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

.viz-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.viz-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: 100px;
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--neon-purple);
    margin-bottom: 32px;
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s forwards;
}

.viz-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: hubDotPulse 2s ease-in-out infinite;
}

@keyframes hubDotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.viz-hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.4s forwards;
}

.viz-hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 0.5px;
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.6s forwards;
}

/* ──────────── Card Grid ──────────── */
.viz-cards-section {
    position: relative;
    padding: 0 40px 120px;
    z-index: 1;
}

.viz-cards-container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.viz-cards-header {
    text-align: center;
    margin-bottom: 60px;
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.8s forwards;
}

.viz-cards-header .section-desc {
    margin: 0 auto;
}

.viz-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

/* ──────────── Visualization Card ──────────── */
.viz-card {
    position: relative;
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: all 0.4s var(--ease-out-expo);
    overflow: hidden;
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out-expo) forwards;
    cursor: pointer;
}

.viz-card:nth-child(1) { animation-delay: 0.9s; }
.viz-card:nth-child(2) { animation-delay: 1.05s; }
.viz-card:nth-child(3) { animation-delay: 1.2s; }
.viz-card:nth-child(4) { animation-delay: 1.35s; }

.viz-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(168, 85, 247, 0.15);
}

.viz-card-glow {
    position: absolute;
    top: -80px;
    right: -80px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(168,85,247,0.08), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.viz-card:hover .viz-card-glow {
    opacity: 1;
}

.viz-card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.15);
    border-radius: 18px;
    color: var(--neon-purple);
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

.viz-card:hover .viz-card-icon {
    background: rgba(168, 85, 247, 0.15);
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.2);
}

.viz-card-tag {
    display: inline-block;
    padding: 4px 12px;
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--neon-cyan);
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.15);
    border-radius: 100px;
    margin-bottom: 16px;
}

.viz-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.viz-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.viz-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 100px;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.25);
}

.viz-card-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.viz-card-btn:hover::before {
    opacity: 1;
}

.viz-card-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(168, 85, 247, 0.4);
}

/* ──────────── Coming Soon Card ──────────── */
.viz-card.coming-soon {
    opacity: 0;
    cursor: default;
}

.viz-card.coming-soon:hover {
    transform: none;
    border-color: var(--border-subtle);
    box-shadow: none;
}

.viz-card.coming-soon .viz-card-glow {
    display: none;
}

.viz-card-coming-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    font-family: var(--font-display);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--neon-cyan);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 4px;
}

.viz-card.coming-soon .viz-card-icon {
    opacity: 0.4;
}

.viz-card.coming-soon h3 {
    opacity: 0.5;
}

.viz-card.coming-soon p {
    opacity: 0.35;
}

.viz-card.coming-soon .viz-card-btn {
    opacity: 0.3;
    pointer-events: none;
    cursor: default;
}

/* Active card animation pulse on the icon */
.viz-card.active .viz-card-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 20px;
    border: 1px solid rgba(168, 85, 247, 0.2);
    animation: hubIconRing 2s ease-in-out infinite;
}

@keyframes hubIconRing {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.08); opacity: 0; }
}

/* ──────────── Footer CTA ──────────── */
.viz-footer-cta {
    text-align: center;
    padding: 0 40px 80px;
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out-expo) 1.5s forwards;
}

.viz-footer-cta p {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.viz-footer-cta .sub-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ──────────── Responsive ──────────── */
@media (max-width: 768px) {
    .viz-hero {
        padding: 140px 20px 60px;
        min-height: 50vh;
    }

    .viz-cards-section {
        padding: 0 20px 80px;
    }

    .viz-cards-grid {
        grid-template-columns: 1fr;
    }

    .viz-footer-cta {
        padding: 0 20px 60px;
    }
}

@media (max-width: 480px) {
    .viz-hero {
        padding: 120px 16px 40px;
    }

    .viz-cards-section {
        padding: 0 16px 60px;
    }

    .viz-card {
        padding: 32px 24px;
    }
}