/**
 * BAIRS — modernización template-tpa
 * Hero polish + diagrama de flujo SVG + bento de capacidades + sticky CTA.
 */

/* ─── Hero polish (mismo lenguaje que cobertura/cyber) ─── */
.tpa-hero {
    position: relative;
    isolation: isolate;
}

.tpa-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(56,189,248,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(56,189,248,0.04) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(circle at 70% 50%, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(circle at 70% 50%, black 0%, transparent 70%);
    z-index: 1;
}

.tpa-hero-content {
    position: relative;
    z-index: 2;
}

.tpa-hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--color-primary-soft, #38bdf8);
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: var(--space-3, 12px);
}

.tpa-hero-title {
    font-family: var(--font-display);
    letter-spacing: -0.04em;
    text-wrap: balance;
}

/* ─── Sidebar typewriter cursor ─── */
.tpa-sidebar-text[data-bairs-typewriter]::after {
    content: '_';
    color: var(--color-primary-soft, #38bdf8);
    animation: bairs-cursor-blink 1s steps(1) infinite;
    margin-left: 2px;
}

/* ─── Diagrama de flujo SVG ─── */
.bairs-flow {
    padding: clamp(48px, 8vw, 96px) clamp(20px, 6vw, 64px);
    background: var(--color-bg-1, #0f141b);
    color: #fff;
    border-top: 1px solid var(--color-line, rgba(255,255,255,0.08));
    text-align: center;
}

.bairs-flow-eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-primary-soft, #38bdf8);
    display: inline-block;
    margin-bottom: var(--space-3, 12px);
}

.bairs-flow-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 48px);
    letter-spacing: -0.03em;
    margin: 0 0 var(--space-12, 48px);
    text-wrap: balance;
}

.bairs-flow-svg {
    width: 100%;
    max-width: 1100px;
    height: auto;
    margin: 0 auto;
    display: block;
}

/* Estado base de cada nodo */
.bairs-flow-node-circle {
    transition: fill var(--dur-narrative, 700ms) var(--ease-out, ease),
                stroke var(--dur-narrative, 700ms) var(--ease-out, ease);
}

.bairs-flow-node-num {
    font-family: var(--font-mono);
    font-size: 12px;
    fill: rgba(255,255,255,0.5);
    transition: fill var(--dur-normal, 320ms) var(--ease-out, ease);
}

.bairs-flow-node-label {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    fill: rgba(255,255,255,0.7);
    transition: fill var(--dur-normal, 320ms) var(--ease-out, ease);
}

/* Estado activado (la utilidad JS añade .is-on) */
.bairs-flow-node.is-on .bairs-flow-node-circle {
    fill: rgba(56,189,248,0.18);
    stroke: var(--color-primary-soft, #38bdf8);
}

.bairs-flow-node.is-on .bairs-flow-node-num {
    fill: var(--color-primary-soft, #38bdf8);
}

.bairs-flow-node.is-on .bairs-flow-node-label {
    fill: #fff;
}

/* Conectores con dasharray que se "dibujan" */
.bairs-flow-line {
    stroke: rgba(255,255,255,0.18);
    stroke-width: 2;
    fill: none;
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    transition: stroke-dashoffset 700ms var(--ease-out, ease),
                stroke var(--dur-normal, 320ms) var(--ease-out, ease);
}

.bairs-flow-line.is-on {
    stroke-dashoffset: 0;
    stroke: var(--color-primary-soft, #38bdf8);
}

@media (prefers-reduced-motion: reduce) {
    .bairs-flow-line { stroke-dashoffset: 0; transition: none; }
    .bairs-flow-node-circle { transition: none; }
}

/* ─── Bento de capacidades técnicas ─── */
.bairs-tpa-bento-section {
    padding: clamp(48px, 8vw, 96px) clamp(20px, 6vw, 64px);
    background: var(--color-bg-0, #07090d);
    color: #fff;
}

.bairs-tpa-bento-section-header {
    max-width: 1200px;
    margin: 0 auto var(--space-12, 48px);
}

.bairs-tpa-bento-section-eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-primary-soft, #38bdf8);
    margin-bottom: var(--space-3, 12px);
    display: block;
}

.bairs-tpa-bento-section-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 48px);
    letter-spacing: -0.03em;
    margin: 0;
    text-wrap: balance;
    max-width: 800px;
}

.bairs-tpa-bento-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

/* ─── Sticky CTA lateral ─── */
.bairs-sticky-cta {
    position: fixed;
    right: var(--space-6, 24px);
    bottom: var(--space-6, 24px);
    z-index: 90;
    background: var(--color-bg-2, #1a2230);
    border: 1px solid var(--color-line, rgba(255,255,255,0.08));
    border-radius: var(--radius-lg, 20px);
    padding: var(--space-4, 16px) var(--space-6, 24px);
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    gap: var(--space-4, 16px);
    color: #fff;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: opacity var(--dur-normal, 320ms) var(--ease-out, ease),
                transform var(--dur-normal, 320ms) var(--ease-out, ease);
    max-width: calc(100vw - 48px);
}

.bairs-sticky-cta.is-shown {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

.bairs-sticky-cta-text {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    line-height: 1.4;
    flex: 1;
    min-width: 160px;
}

.bairs-sticky-cta-btn {
    background: var(--color-primary-soft, #38bdf8);
    color: var(--color-bg-0, #07090d);
    border: 0;
    border-radius: 999px;
    padding: 10px 20px;
    font: inherit;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    transition: transform var(--dur-micro, 180ms) var(--ease-out, ease);
}

.bairs-sticky-cta-btn:hover { transform: translateY(-1px); }

.bairs-sticky-cta-close {
    background: transparent;
    border: 0;
    color: rgba(255,255,255,0.5);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    padding: 4px 8px;
}

.bairs-sticky-cta-close:hover { color: #fff; }

@media (max-width: 640px) {
    .bairs-sticky-cta {
        left: var(--space-4, 16px);
        right: var(--space-4, 16px);
        bottom: var(--space-4, 16px);
        flex-wrap: wrap;
    }
}