/*
   Nexus Deep Research Engine — Page-Specific Styles
   Uses shared design tokens from styles.css
*/

/* ─── Virio Dot Background ─── */
.bg-virio-dots {
    background-image: radial-gradient(circle, rgba(213, 180, 115, 0.10) 1px, transparent 1px);
    background-size: 26px 26px;
}

/* ─── Section 1: Hero Parallax Grid ─── */
.nexus-hero-grid {
    position: absolute;
    inset: -50%;
    background-image: 
        linear-gradient(rgba(26, 32, 44, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26, 32, 44, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    transform: perspective(1000px) rotateX(60deg) translateY(-100px) translateZ(-200px);
    transform-origin: top center;
    pointer-events: none;
    z-index: 0;
}

/* ─── Section 2: Discovery Swarm Transition ─── */
.nexus-descent-gradient {
    /* Transitions via smooth CSS linear gradient from #0A0D11 down into solid #45523E */
    background: linear-gradient(180deg, #0A0D11 0%, #45523E 25%);
}

/* ─── Boardroom UI ─── */
.boardroom-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(213, 180, 115, 0.15);
    border-radius: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.6s ease, box-shadow 0.6s ease;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.1), 0 20px 40px rgba(0,0,0,0.1);
}

.boardroom-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(135deg, rgba(213, 180, 115, 0.4), transparent 60%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.6s;
    pointer-events: none;
}

.boardroom-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(213, 180, 115, 0.3);
    box-shadow: inset 0 0 30px rgba(213, 180, 115, 0.1), 0 30px 60px rgba(0,0,0,0.4);
}

.boardroom-card:hover::before {
    opacity: 1;
}

.boardroom-card h3 {
    transition: color 0.4s ease;
}

.boardroom-card:hover h3 {
    color: #D5B473;
}

.boardroom-card .card-subtitle {
    opacity: 0; /* Animated by JS */
}

/* ─── Entity Deficits UI ─── */
.asset-ui-overlay {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(26, 32, 44, 0.1);
    box-shadow: 0 30px 60px rgba(0,0,0,0.1);
    border-radius: 2.5rem;
    position: relative;
    overflow: hidden;
}

/* ─── Evidence Trail Stepper ─── */
.nexus-stepper-card {
    opacity: 0;
    transform: translateY(30px);
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.6s ease, border-color 0.6s ease;
}

.nexus-stepper-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(26, 32, 44, 0.12), inset 0 0 0 1px rgba(213, 180, 115, 0.1);
}

.stepper-final-pill {
    opacity: 0;
    transform: translateY(10px);
}

/* ─── Entry Reveals ─── */
.sb-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.sb-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ─── CTA Button Copy from SB ─── */
.sb-cta-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 3rem;
    background-color: #D5B473;
    color: #1A202C;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: 0.02em;
    border: 2px solid #D5B473;
    overflow: hidden;
    transition: color 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    border-radius: 9999px;
}
.sb-cta-btn .btn-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #D5B473;
    transform-origin: left;
    transition: transform 0.3s ease-in-out;
    z-index: 0;
    border-radius: 9999px;
}
.sb-cta-btn:hover .btn-bg {
    transform: translateX(100%);
}
.sb-cta-btn:hover {
    color: #FAF9F6;
}
.sb-cta-btn .btn-text {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.sb-cta-btn .btn-arrow {
    display: inline-block;
    transition: transform 0.3s ease;
}
.sb-cta-btn:hover .btn-arrow {
    transform: translateX(6px);
}

/* ─── Infinite Marquee Reverse ─── */
@keyframes sb-marquee-scroll-reverse {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ─── Radar UI Sweeps and Pulses ─── */
@keyframes radar-sweep-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.radar-sweep {
    animation: radar-sweep-spin 4s linear infinite;
}

@keyframes radar-pulse-ring {
    0% { transform: scale(0.8); opacity: 0; }
    50% { opacity: 0.6; }
    100% { transform: scale(1.2); opacity: 0; }
}

.pulse-ring-1 { animation: radar-pulse-ring 3s cubic-bezier(0.25, 1, 0.5, 1) infinite; animation-delay: 0s; }
.pulse-ring-2 { animation: radar-pulse-ring 3s cubic-bezier(0.25, 1, 0.5, 1) infinite; animation-delay: 0.75s; }
.pulse-ring-3 { animation: radar-pulse-ring 3s cubic-bezier(0.25, 1, 0.5, 1) infinite; animation-delay: 1.5s; }
.pulse-ring-4 { animation: radar-pulse-ring 3s cubic-bezier(0.25, 1, 0.5, 1) infinite; animation-delay: 2.25s; }

/* ─── FAQ Split-Card Layout ─── */

/* Question buttons (left card) */
.sb-faq-q-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    text-align: left;
    padding: 0.8rem 1rem;
    border-radius: 0.75rem;
    cursor: pointer;
    background: transparent;
    border: none;
    transition: background 0.2s ease, color 0.2s ease;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: #1A202C;
    letter-spacing: 0.08em;
    opacity: 0.5;
}

.sb-faq-q-btn:hover {
    background: rgba(213, 180, 115, 0.08);
    opacity: 0.8;
}

.sb-faq-q-btn.is-active {
    opacity: 1;
    font-weight: 600;
}

.sb-faq-q-arrow {
    flex-shrink: 0;
    font-size: 0.75rem;
    color: #D5B473;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.sb-faq-q-btn.is-active .sb-faq-q-arrow {
    opacity: 1;
}

.sb-faq-q-label {
    flex: 1;
}

/* Answer panels (right card) */
#sb-faq-panels {
    display: flex;
    width: 100%;
}

.sb-faq-panel {
    flex: 0 0 100%;
    display: none;
    animation: sb-fade-in 0.3s ease;
}

.sb-faq-panel.is-active {
    display: block;
}

@keyframes sb-fade-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}