/* ==========================================================================
   AI ENGINEERING & AGENT SYSTEMS STYLES — MBA NZANG
   Inspirado en el lenguaje técnico y estético de rubenmarcus.dev/ai
   ========================================================================== */

:root {
    --ai-cyan: #00f3ff;
    --ai-cyan-glow: rgba(0, 243, 255, 0.25);
    --ai-blue: #0066ff;
    --ai-purple: #8a2be2;
    --ai-green: #10b981;
    --ai-amber: #f59e0b;
    --ai-dark-bg: #050505;
    --ai-surface: #0f0f11;
    --ai-surface-border: rgba(255, 255, 255, 0.1);
    --ai-surface-hover: #151518;
    --ai-mono-font: 'Consolas', 'Fira Code', 'Courier New', monospace;
}

/* ==========================================================================
   FONDO GLOBAL DE VIDEO — MONA LISA TECH BACKGROUND (TODA LA PÁGINA)
   ========================================================================== */
.ai-global-video-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    background: #000000;
}

/* Video element ajustado a pantalla completa con anclaje superior para mostrar la cabeza entera */
.ai-bg-video {
    position: absolute;
    top: 42px;
    left: 0;
    width: 100%;
    height: calc(100% - 42px);
    object-fit: cover;
    object-position: center top;
    opacity: 0.58;
    filter: brightness(0.72) contrast(1.22) saturate(0.8);
}

/* Tinte de color corporativo MBA NZANG: Cian Eléctrico (#00f3ff) y Azul Neón (#0066ff / #0057b8) */
.ai-video-color-tint {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 243, 255, 0.24) 0%,
        rgba(0, 87, 184, 0.32) 42%,
        rgba(5, 5, 12, 0.72) 100%
    );
    mix-blend-mode: color;
    pointer-events: none;
}

/* Rejilla sutil de ingeniería de datos */
.ai-video-grid-lines {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(rgba(0, 243, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.035) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    opacity: 0.5;
}

/* Viñeteado radial y difuminado vertical para lectura óptima del contenido */
.ai-video-vignette {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(
            circle at 60% 45%,
            rgba(0, 0, 0, 0.15) 0%,
            rgba(0, 0, 0, 0.65) 65%,
            rgba(0, 0, 0, 0.94) 100%
        ),
        linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.5) 0%,
            transparent 25%,
            transparent 75%,
            rgba(0, 0, 0, 0.85) 100%
        );
    pointer-events: none;
}

/* 1. Hero Flagship Especializado de IA (Flotando sobre el Video Global) */
.ai-hero-section {
    position: relative;
    padding: 140px 24px 80px;
    background: transparent;
    border-bottom: 1px solid var(--ai-surface-border);
    overflow: hidden;
    min-height: 85vh;
    display: flex;
    align-items: center;
    z-index: 2;
}

.ai-hero-inner {
    max-width: 1350px;
    margin: 0 auto;
    position: relative;
    z-index: 4;
    width: 100%;
    text-align: left;
}

.ai-hero-content-col {
    max-width: 680px;
}

.ai-tag-ruben {
    font-family: var(--ai-mono-font);
    font-size: 0.8rem;
    color: #666;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-tag-ruben span.accent-green {
    color: #00ff66;
    font-weight: 700;
}

.ai-agent-mcp-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 243, 255, 0.06);
    border: 1px solid rgba(0, 243, 255, 0.25);
    padding: 7px 18px;
    border-radius: 9999px;
    color: var(--ai-cyan);
    font-family: var(--ai-mono-font);
    font-size: 0.78rem;
    text-decoration: none;
    transition: all 0.25s ease;
    margin-top: 14px;
}

.ai-agent-mcp-badge:hover {
    background: rgba(0, 243, 255, 0.14);
    border-color: var(--ai-cyan);
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.25);
    color: #fff;
}

.ai-agent-mcp-badge .pulse-green-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--ai-cyan);
    box-shadow: 0 0 8px var(--ai-cyan);
    animation: aiPulse 2s infinite ease-in-out;
}

.ai-pill-tag .ai-pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ai-cyan);
    box-shadow: 0 0 10px var(--ai-cyan);
    animation: aiPulse 2s infinite ease-in-out;
}

@keyframes aiPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.ai-hero-title {
    font-size: clamp(2.4rem, 4.4vw, 3.8rem);
    font-weight: 800;
    letter-spacing: -1.6px;
    line-height: 1.1;
    color: #ffffff;
    max-width: 680px;
    margin: 0 0 20px 0;
}

.ai-hero-title span.highlight-cyan {
    background: linear-gradient(135deg, #ffffff 30%, var(--ai-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ai-hero-subtitle {
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    color: #9ca3af;
    max-width: 600px;
    margin: 0 0 32px 0;
    line-height: 1.65;
    font-weight: 400;
}

.ai-hero-ctas {
    display: flex;
    justify-content: flex-start;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

/* Telemetry Chips Bar */
.ai-telemetry-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    max-width: 1100px;
    margin: 0 auto;
    text-align: left;
}

.ai-telemetry-card {
    background: rgba(18, 18, 22, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 16px;
    padding: 16px 20px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: all 0.3s ease;
}

.ai-telemetry-card:hover {
    border-color: rgba(0, 243, 255, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.ai-telemetry-val {
    font-family: var(--ai-mono-font);
    font-size: 1.45rem;
    font-weight: 800;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-telemetry-val span.val-accent {
    color: var(--ai-cyan);
}

.ai-telemetry-lbl {
    font-size: 0.78rem;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

/* 2. Cuatro Pilares Técnicos de IA */
.ai-pillars-section {
    position: relative;
    z-index: 2;
    max-width: 1240px;
    margin: 0 auto;
    padding: 90px 24px;
}

.ai-section-header {
    text-align: center;
    margin-bottom: 50px;
}

.ai-section-badge {
    font-family: var(--ai-mono-font);
    font-size: 0.75rem;
    color: var(--ai-cyan);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}

.ai-section-title {
    font-size: clamp(1.8rem, 3.2vw, 2.6rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.8px;
    margin-bottom: 14px;
}

.ai-section-desc {
    color: #8e8e93;
    font-size: 1.05rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

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

.ai-pillar-card {
    background: rgba(12, 12, 16, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.ai-pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(0, 243, 255, 0.5), transparent);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.ai-pillar-card:hover {
    border-color: rgba(0, 243, 255, 0.3);
    background: rgba(18, 18, 24, 0.85);
    transform: translateY(-4px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
}

.ai-pillar-card:hover::before {
    opacity: 1;
}

.ai-pillar-num {
    font-family: var(--ai-mono-font);
    font-size: 0.85rem;
    color: var(--ai-cyan);
    margin-bottom: 18px;
    display: inline-block;
}

.ai-pillar-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.ai-pillar-desc {
    color: #999;
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 24px;
}

.ai-pillar-proof {
    background: rgba(255, 255, 255, 0.03);
    border-left: 2px solid var(--ai-cyan);
    padding: 10px 14px;
    border-radius: 0 8px 8px 0;
    font-family: var(--ai-mono-font);
    font-size: 0.8rem;
    color: #bbb;
    margin-top: auto;
}

.ai-pillar-proof span {
    color: #00f3ff;
    font-weight: 700;
}

/* 3. Terminal Interactivo & Simulador Agéntico */
.ai-interactive-section {
    position: relative;
    z-index: 2;
    background: rgba(8, 8, 12, 0.68);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 90px 24px;
}

.ai-terminal-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    background: rgba(13, 13, 17, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 243, 255, 0.05);
    overflow: hidden;
}

.ai-terminal-header {
    background: #141419;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ai-terminal-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

.ai-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.ai-dot.red { background: #ff5f56; }
.ai-dot.yellow { background: #ffbd2e; }
.ai-dot.green { background: #27c93f; }

.ai-terminal-title {
    font-family: var(--ai-mono-font);
    font-size: 0.82rem;
    color: #888;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-terminal-tabs {
    display: flex;
    background: #101014;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    overflow-x: auto;
}

.ai-term-tab {
    background: transparent;
    border: none;
    outline: none;
    color: #777;
    font-family: var(--ai-mono-font);
    font-size: 0.8rem;
    padding: 12px 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.ai-term-tab:hover {
    color: #ddd;
    background: rgba(255, 255, 255, 0.02);
}

.ai-term-tab.active {
    color: var(--ai-cyan);
    border-bottom-color: var(--ai-cyan);
    background: rgba(0, 243, 255, 0.05);
}

.ai-terminal-body {
    padding: 24px;
    min-height: 380px;
    font-family: var(--ai-mono-font);
    font-size: 0.88rem;
    line-height: 1.7;
    color: #d1d5db;
    background: #08080a;
}

.ai-ascii-art {
    color: var(--ai-cyan);
    font-size: 0.65rem;
    line-height: 1.1;
    margin-bottom: 20px;
    opacity: 0.85;
    user-select: none;
    white-space: pre;
    overflow-x: auto;
}

.ai-term-line {
    margin-bottom: 6px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    word-break: break-word;
}

.ai-term-line .prompt-symbol {
    color: var(--ai-cyan);
    user-select: none;
}

.ai-term-line .timestamp {
    color: #555;
    font-size: 0.78rem;
    user-select: none;
}

.ai-term-badge {
    display: inline-block;
    padding: 1px 7px;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 700;
}
.ai-term-badge.success { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.ai-term-badge.routing { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.ai-term-badge.mcp { background: rgba(168, 85, 247, 0.15); color: #c084fc; }
.ai-term-badge.guardrail { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }

.ai-term-action-bar {
    padding: 16px 20px;
    background: #101014;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.ai-term-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    padding: 7px 16px;
    border-radius: 8px;
    font-family: var(--ai-mono-font);
    font-size: 0.78rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.ai-term-btn:hover {
    background: rgba(0, 243, 255, 0.15);
    border-color: var(--ai-cyan);
    color: #fff;
}

.ai-term-btn.primary {
    background: var(--ai-cyan);
    color: #000;
    border-color: var(--ai-cyan);
    font-weight: 700;
}

.ai-term-btn.primary:hover {
    background: #5cf6ff;
    box-shadow: 0 0 15px var(--ai-cyan-glow);
}

/* 4. The AI Stack in Production */
.ai-stack-section {
    position: relative;
    z-index: 2;
    max-width: 1240px;
    margin: 0 auto;
    padding: 85px 24px;
}

.ai-stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
}

.ai-stack-item {
    background: rgba(12, 12, 16, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.25s ease;
}

.ai-stack-item:hover {
    border-color: rgba(0, 243, 255, 0.35);
    background: rgba(18, 18, 24, 0.85);
    transform: translateY(-2px);
}

.ai-stack-tag {
    font-family: var(--ai-mono-font);
    font-size: 0.72rem;
    color: var(--ai-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    display: block;
}

.ai-stack-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.ai-stack-desc {
    font-size: 0.88rem;
    color: #888;
    line-height: 1.6;
}

/* 5. Production Agent Fleet / Tools */
.ai-fleet-section {
    position: relative;
    z-index: 2;
    background: rgba(7, 7, 10, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 85px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ai-fleet-container {
    max-width: 1240px;
    margin: 0 auto;
}

.ai-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 28px;
}

.ai-tool-card {
    background: rgba(13, 13, 18, 0.76);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 34px 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.ai-tool-card:hover {
    border-color: rgba(0, 243, 255, 0.35);
    background: rgba(18, 18, 25, 0.88);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.ai-tool-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.ai-tool-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(0, 243, 255, 0.1);
    color: var(--ai-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.ai-tool-status {
    font-family: var(--ai-mono-font);
    font-size: 0.72rem;
    padding: 3px 9px;
    border-radius: 9999px;
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.ai-tool-name {
    font-size: 1.45rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.ai-tool-tagline {
    font-family: var(--ai-mono-font);
    font-size: 0.85rem;
    color: var(--ai-cyan);
    margin-bottom: 14px;
}

.ai-tool-body {
    color: #9ca3af;
    font-size: 0.92rem;
    line-height: 1.65;
    margin-bottom: 24px;
}

.ai-tool-features {
    list-style: none;
    margin-bottom: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 16px;
}

.ai-tool-features li {
    font-size: 0.84rem;
    color: #aaa;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-tool-features li i {
    color: var(--ai-cyan);
    font-size: 0.75rem;
}

.ai-tool-footer {
    display: flex;
    gap: 12px;
    margin-top: auto;
}

/* 6. AEO Audit / Consulting Service Box */
.ai-aeo-box {
    max-width: 1100px;
    margin: 70px auto 0;
    background: linear-gradient(145deg, rgba(14, 17, 26, 0.85) 0%, rgba(8, 8, 12, 0.9) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 243, 255, 0.25);
    border-radius: 24px;
    padding: 48px 40px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

.ai-aeo-content h3 {
    font-size: 1.85rem;
    color: #fff;
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.ai-aeo-content p {
    color: #a0aec0;
    font-size: 0.98rem;
    line-height: 1.65;
    margin-bottom: 24px;
}

.ai-aeo-rubric {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 24px;
}

.ai-aeo-rubric-title {
    font-family: var(--ai-mono-font);
    font-size: 0.8rem;
    color: var(--ai-cyan);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ai-aeo-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
    color: #bbb;
}

.ai-aeo-item:last-child {
    border-bottom: none;
}

.ai-aeo-item span.score {
    font-family: var(--ai-mono-font);
    font-weight: 700;
    color: #10b981;
}

/* Responsive */
@media (max-width: 1024px) {
    .mona-lisa-hero-bg {
        width: 55%;
        opacity: 0.75;
    }
    .mona-live-code-stream {
        left: 45%;
        font-size: 0.8rem;
        max-width: 380px;
    }
}

@media (max-width: 900px) {
    .ai-aeo-box {
        grid-template-columns: 1fr;
        padding: 32px 24px;
    }
    .ai-hero-section {
        padding: 110px 20px 50px;
        min-height: auto;
    }
    .mona-lisa-hero-bg {
        width: 80%;
        opacity: 0.35;
        right: -40px;
    }
    .mona-live-code-stream {
        display: none;
    }
    .ai-tools-grid {
        grid-template-columns: 1fr;
    }
}