/* 3PWeb — Infraestrutura Privada de Inteligência Artificial
   Namespace exclusivo: .pw-ai-*  (não colide com CSS existente) */

.pw-ai-section {
    position: relative;
    overflow: hidden;
    padding: 80px 0 96px;
    background: linear-gradient(200deg, #082d36 0%, var(--pw-ink-deep) 55%, #0a3540 100%);
    color: #eaf7f8;
}

.pw-ai-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.pw-ai-bg-aurora {
    position: absolute;
    top: 10%;
    left: 50%;
    width: 80vw;
    max-width: 1100px;
    height: 60vw;
    max-height: 800px;
    transform: translateX(-50%);
    background: radial-gradient(ellipse at center, rgba(0, 167, 181, 0.16), transparent 70%);
    filter: blur(60px);
    animation: pw-ai-aurora-breathe 12s ease-in-out infinite;
}

@keyframes pw-ai-aurora-breathe {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.pw-ai-inner {
    position: relative;
    z-index: 1;
}

.pw-ai-header {
    max-width: 760px;
    margin: 0 auto 56px;
    text-align: center;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.pw-ai-header.is-visible { opacity: 1; transform: translateY(0); }

.pw-ai-eyebrow {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--pw-gold);
    margin: 0 0 16px;
}

.pw-ai-title {
    font-size: clamp(24px, 3.8vw, 38px);
    font-weight: 800;
    line-height: 1.25;
    color: #fff;
    margin: 0 0 20px;
}

.pw-ai-highlight {
    background: linear-gradient(120deg, var(--pw-teal-soft), #fff 50%, var(--pw-teal-soft));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.pw-ai-lead {
    font-size: 17px;
    line-height: 1.6;
    color: #eaf7f8;
    margin: 0 0 12px;
    font-weight: 600;
}

.pw-ai-text {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(234, 247, 248, 0.78);
    margin: 0;
}

/* ---------- Métrica + Núcleo ---------- */
.pw-ai-showcase {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 72px;
}

.pw-ai-metric {
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.pw-ai-metric.is-visible { opacity: 1; transform: translateY(0); }

.pw-ai-metric__ring {
    position: relative;
    width: 160px;
    height: 160px;
    margin: 0 auto 20px;
}

.pw-ai-metric__svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.pw-ai-metric__track {
    fill: none;
    stroke: rgba(234, 247, 248, 0.12);
    stroke-width: 6;
}

.pw-ai-metric__progress {
    fill: none;
    stroke: url(#pwAiGradientFallback);
    stroke: var(--pw-teal-soft);
    stroke-width: 6;
    stroke-linecap: round;
    stroke-dasharray: 327;
    stroke-dashoffset: 327;
    filter: drop-shadow(0 0 8px rgba(0, 167, 181, 0.6));
    transition: stroke-dashoffset 1.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.pw-ai-metric__value {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 800;
    color: #fff;
}

.pw-ai-metric__label {
    font-size: 12px;
    letter-spacing: 0.06em;
    color: rgba(234, 247, 248, 0.7);
    max-width: 240px;
    margin: 0 auto;
    line-height: 1.6;
}

.pw-ai-core {
    opacity: 0;
    transform: translateY(20px) scale(0.96);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.pw-ai-core.is-visible { opacity: 1; transform: translateY(0) scale(1); }

.pw-ai-core__svg {
    width: 100%;
    max-width: 420px;
    display: block;
    margin: 0 auto;
    color: var(--pw-teal-soft);
}

.pw-ai-node {
    fill: rgba(8, 45, 54, 0.9);
    stroke: var(--pw-teal-soft);
    stroke-width: 1.6;
}

.pw-ai-node--core {
    fill: rgba(0, 167, 181, 0.25);
    stroke: var(--pw-teal-soft);
    stroke-width: 2;
    animation: pw-ai-core-pulse 3.2s ease-in-out infinite;
    transform-origin: 160px 160px;
}

@keyframes pw-ai-core-pulse {
    0%, 100% { filter: drop-shadow(0 0 0 rgba(0, 167, 181, 0)); }
    50% { filter: drop-shadow(0 0 14px rgba(0, 167, 181, 0.7)); }
}

.pw-ai-node-label {
    font-size: 9px;
    fill: rgba(234, 247, 248, 0.85);
    text-anchor: middle;
    font-weight: 600;
}

.pw-ai-node-label--core {
    font-size: 8px;
    fill: #eaf7f8;
    font-weight: 700;
}

.pw-ai-network-lines line {
    opacity: 0.35;
}

.pw-ai-pulse-line {
    stroke-dasharray: 10 210;
    stroke-dashoffset: 0;
    opacity: 0.9;
    animation: pw-ai-pulse-travel 3s linear infinite;
    animation-delay: var(--delay, 0s);
}

@keyframes pw-ai-pulse-travel {
    0% { stroke-dashoffset: 210; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { stroke-dashoffset: 0; opacity: 0; }
}

/* ---------- Painel infraestrutura ---------- */
.pw-ai-panel {
    max-width: 780px;
    margin: 0 auto 56px;
    padding: 32px 36px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(105, 219, 225, 0.16);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.pw-ai-panel.is-visible { opacity: 1; transform: translateY(0); }

.pw-ai-panel__title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 14px;
}

.pw-ai-panel__text {
    font-size: 14.5px;
    line-height: 1.7;
    color: rgba(234, 247, 248, 0.8);
    margin: 0 0 12px;
}

.pw-ai-panel__text:last-child { margin-bottom: 0; }

/* ---------- Frase central ---------- */
.pw-ai-statement {
    max-width: 720px;
    margin: 0 auto 64px;
    text-align: center;
    font-size: clamp(18px, 2.4vw, 24px);
    font-weight: 700;
    line-height: 1.5;
    color: #eaf7f8;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.pw-ai-statement.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Diferenciais ---------- */
.pw-ai-benefits-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 64px;
}

.pw-ai-benefit {
    padding: 22px 18px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(105, 219, 225, 0.12);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, background 0.3s ease;
}

.pw-ai-benefit:hover {
    transform: translateY(-6px);
    border-color: rgba(105, 219, 225, 0.35);
    background: rgba(255, 255, 255, 0.06);
}

.pw-ai-benefit__icon {
    display: inline-flex;
    width: 34px;
    height: 34px;
    color: var(--pw-teal-soft);
    margin-bottom: 14px;
}

.pw-ai-benefit__icon svg { width: 100%; height: 100%; }

.pw-ai-benefit h4 {
    font-size: 14.5px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 8px;
}

.pw-ai-benefit p {
    font-size: 12.8px;
    line-height: 1.55;
    color: rgba(234, 247, 248, 0.72);
    margin: 0;
}

/* ---------- Bloco de segurança ---------- */
.pw-ai-security {
    position: relative;
    max-width: 820px;
    margin: 0 auto 64px;
    padding: 40px;
    border-radius: 20px;
    background: rgba(8, 45, 54, 0.55);
    text-align: center;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.pw-ai-security.is-visible { opacity: 1; transform: translateY(0); }

.pw-ai-security__border {
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 1px;
    background: conic-gradient(from 0deg, transparent, var(--pw-teal-soft), transparent 30%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: pw-ai-security-spin 6s linear infinite;
    pointer-events: none;
}

@keyframes pw-ai-security-spin {
    to { transform: rotate(360deg); }
}

.pw-ai-security__icon {
    display: inline-flex;
    width: 48px;
    height: 48px;
    color: var(--pw-teal-soft);
    margin-bottom: 16px;
    animation: pw-ai-shield-pulse 3.4s ease-in-out infinite;
}

@keyframes pw-ai-shield-pulse {
    0%, 100% { filter: drop-shadow(0 0 0 rgba(0, 167, 181, 0)); }
    50% { filter: drop-shadow(0 0 12px rgba(0, 167, 181, 0.6)); }
}

.pw-ai-security__icon svg { width: 100%; height: 100%; }

.pw-ai-security__title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 14px;
}

.pw-ai-security__text {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(234, 247, 248, 0.8);
    margin: 0 0 24px;
}

.pw-ai-security__badges {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.pw-ai-badge {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 8px 16px;
    border-radius: 20px;
    background: rgba(105, 219, 225, 0.1);
    border: 1px solid rgba(105, 219, 225, 0.3);
    color: var(--pw-teal-soft);
}

/* ---------- Benefícios cliente ---------- */
.pw-ai-client-benefits {
    max-width: 960px;
    margin: 0 auto 64px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.pw-ai-client-benefits.is-visible { opacity: 1; transform: translateY(0); }

.pw-ai-client-benefits__title {
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 32px;
}

.pw-ai-client-benefits__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.pw-ai-client-benefit {
    padding: 18px 20px;
    border-left: 2px solid var(--pw-teal-soft);
    background: rgba(255, 255, 255, 0.02);
}

.pw-ai-client-benefit strong {
    display: block;
    font-size: 12.5px;
    letter-spacing: 0.04em;
    color: var(--pw-gold);
    margin-bottom: 6px;
}

.pw-ai-client-benefit p {
    font-size: 13.5px;
    line-height: 1.55;
    color: rgba(234, 247, 248, 0.78);
    margin: 0;
}

/* ---------- CTA da IA ---------- */
.pw-ai-cta {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 24px;
    padding: 48px 40px;
    background: linear-gradient(150deg, rgba(217, 169, 61, 0.1), rgba(0, 167, 181, 0.14));
    border: 1px solid rgba(105, 219, 225, 0.25);
    text-align: center;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.pw-ai-cta.is-visible { opacity: 1; transform: translateY(0); }

.pw-ai-cta__glow {
    position: absolute;
    top: -30%;
    left: 50%;
    width: 60%;
    height: 130%;
    transform: translateX(-50%);
    background: radial-gradient(ellipse, rgba(217, 169, 61, 0.2), transparent 70%);
    pointer-events: none;
}

.pw-ai-cta__content { position: relative; z-index: 1; }

.pw-ai-cta__title {
    font-size: clamp(20px, 2.8vw, 28px);
    font-weight: 800;
    color: #fff;
    margin: 0 0 14px;
}

.pw-ai-cta__text {
    font-size: 14.5px;
    line-height: 1.6;
    color: rgba(234, 247, 248, 0.82);
    max-width: 600px;
    margin: 0 auto 28px;
}

.pw-ai-cta__actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.pw-ai-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 26px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.pw-ai-btn--primary {
    background: linear-gradient(135deg, var(--pw-gold), #e8bd5f);
    color: #2b2107;
    box-shadow: 0 12px 28px rgba(217, 169, 61, 0.3);
}

.pw-ai-btn--primary:hover,
.pw-ai-btn--primary:focus-visible {
    box-shadow: 0 16px 36px rgba(217, 169, 61, 0.45);
}

.pw-ai-btn--secondary {
    background: transparent;
    color: #eaf7f8;
    border: 1px solid rgba(234, 247, 248, 0.35);
}

.pw-ai-btn--secondary:hover,
.pw-ai-btn--secondary:focus-visible {
    background: rgba(234, 247, 248, 0.08);
}

.pw-ai-btn:focus-visible {
    outline: 2px solid var(--pw-teal-soft);
    outline-offset: 3px;
}

/* ---------- Responsivo ---------- */
@media (max-width: 1024px) {
    .pw-ai-showcase { grid-template-columns: 1fr; gap: 32px; }
    .pw-ai-benefits-grid { grid-template-columns: repeat(3, 1fr); }
    .pw-ai-client-benefits__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
    .pw-ai-section { padding: 56px 0 64px; }
    .pw-ai-benefits-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .pw-ai-client-benefits__grid { grid-template-columns: 1fr; }
    .pw-ai-security { padding: 28px 22px; }
    .pw-ai-cta { padding: 34px 22px; }
    .pw-ai-cta__actions { flex-direction: column; }
    .pw-ai-btn { justify-content: center; width: 100%; }
    .pw-ai-core__svg { max-width: 300px; }
    .pw-ai-node-label { font-size: 7px; }
}

@media (max-width: 420px) {
    .pw-ai-benefits-grid { grid-template-columns: 1fr; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    .pw-ai-bg-aurora,
    .pw-ai-node--core,
    .pw-ai-pulse-line,
    .pw-ai-security__border,
    .pw-ai-security__icon {
        animation: none !important;
    }
    .pw-ai-header, .pw-ai-metric, .pw-ai-core, .pw-ai-panel,
    .pw-ai-statement, .pw-ai-security, .pw-ai-client-benefits, .pw-ai-cta {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .pw-ai-metric__progress {
        transition: none;
    }
}