/* ========== Passive Network page ========== */
.passive-network-intro {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
}

.passive-network-intro__content h2 {
    font-size: clamp(1.45rem, 2.4vw, 1.95rem);
    margin-bottom: 16px;
    color: var(--color-text);
    line-height: 1.35;
}

.passive-network-intro__content p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.95;
    margin-bottom: 14px;
}

.passive-network-intro__visual {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: visible;
    min-height: 340px;
}

.passive-network-intro__glow {
    position: absolute;
    inset: -18% -10% auto auto;
    width: 70%;
    height: 70%;
    background: radial-gradient(circle, rgba(0, 132, 255, 0.28), transparent 68%);
    filter: blur(8px);
    pointer-events: none;
    z-index: 0;
    animation: passiveNetworkPulse 5.5s ease-in-out infinite;
}

.passive-network-intro__visual img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    min-height: 340px;
    max-height: 440px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card-hover);
    display: block;
    background: #06101f;
}

.passive-network-intro__float {
    position: absolute;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 14px;
    padding: 12px 14px;
    box-shadow: 0 10px 28px rgba(15, 50, 110, 0.16);
    animation: passiveNetworkFloat 4.5s ease-in-out infinite;
}

.passive-network-intro__float svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.passive-network-intro__float strong {
    display: block;
    font-size: 0.82rem;
    color: var(--color-text);
    line-height: 1.3;
}

.passive-network-intro__float span {
    display: block;
    font-size: 0.72rem;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.passive-network-intro__float--top {
    top: 18px;
    left: -12px;
}

.passive-network-intro__float--bottom {
    bottom: 22px;
    right: -10px;
    animation-delay: 1.2s;
}

@keyframes passiveNetworkFloat {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

@keyframes passiveNetworkPulse {
    0%,
    100% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.06);
    }
}

/* Services */
.passive-network-services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.passive-network-service-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.passive-network-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent));
    opacity: 0;
    transition: opacity var(--transition);
}

.passive-network-service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(0, 86, 210, 0.22);
}

.passive-network-service-card:hover::before {
    opacity: 1;
}

.passive-network-service-card__icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    background: linear-gradient(145deg, var(--color-primary-soft), #dcebff);
    color: var(--color-primary);
    transition: transform var(--transition);
}

.passive-network-service-card:hover .passive-network-service-card__icon {
    transform: scale(1.06);
}

.passive-network-service-card--2 .passive-network-service-card__icon {
    background: #e8f7ff;
    color: #0084ff;
}

.passive-network-service-card--3 .passive-network-service-card__icon {
    background: #eef2ff;
    color: #3b5bdb;
}

.passive-network-service-card--4 .passive-network-service-card__icon {
    background: #ecfdf5;
    color: #0d9488;
}

.passive-network-service-card h3 {
    font-size: 1.08rem;
    margin-bottom: 10px;
}

.passive-network-service-card > p {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.85;
    margin-bottom: 16px;
}

.passive-network-service-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 12px;
}

.passive-network-service-card li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--color-text);
}

.passive-network-service-card li svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Showcase */
.passive-network-showcase__grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 48px;
    align-items: center;
}

.passive-network-showcase__visual {
    position: relative;
}

.passive-network-showcase__frame {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card-hover);
    background:
        radial-gradient(circle at 20% 20%, rgba(77, 201, 255, 0.2), transparent 45%),
        linear-gradient(160deg, #0a1628, #0d2a52);
}

.passive-network-showcase__frame::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

.passive-network-showcase__frame img {
    width: 100%;
    display: block;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.passive-network-showcase__visual:hover .passive-network-showcase__frame img {
    transform: scale(1.04);
}

.passive-network-showcase__badge {
    position: absolute;
    bottom: 18px;
    left: 18px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    border-radius: 999px;
    padding: 10px 14px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text);
    box-shadow: 0 10px 24px rgba(15, 50, 110, 0.18);
    animation: passiveNetworkFloat 4.8s ease-in-out infinite;
}

.passive-network-showcase__badge svg {
    color: var(--color-primary);
}

.passive-network-showcase__content h2 {
    font-size: clamp(1.35rem, 2.3vw, 1.85rem);
    margin-bottom: 14px;
    line-height: 1.4;
}

.passive-network-showcase__content > p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.95;
    margin-bottom: 22px;
}

.passive-network-showcase__points {
    list-style: none;
    margin: 0 0 26px;
    padding: 0;
    display: grid;
    gap: 16px;
}

.passive-network-showcase__points li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.passive-network-showcase__point-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.passive-network-showcase__points strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 4px;
    color: var(--color-text);
}

.passive-network-showcase__points p {
    margin: 0;
    font-size: 0.84rem;
    color: var(--color-text-muted);
    line-height: 1.75;
}

/* Stack */
.passive-network-stack__layout {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 28px;
    align-items: center;
}

.passive-network-stack__visual {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    background: #eef4fb;
}

.passive-network-stack__visual img {
    width: 100%;
    display: block;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.passive-network-stack__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.passive-network-stack-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px 14px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.passive-network-stack-item:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 86, 210, 0.28);
    box-shadow: var(--shadow-card);
}

.passive-network-stack-item__icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(160deg, #f0f6ff, #dcebff);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.passive-network-stack-item span {
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.4;
}

/* Process */
.passive-network-process__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.passive-network-process-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 26px 18px 24px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.passive-network-process-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
}

.passive-network-process-card__num {
    position: absolute;
    top: 14px;
    left: 14px;
    font-size: 1.4rem;
    font-weight: 800;
    color: rgba(0, 86, 210, 0.12);
    line-height: 1;
    direction: ltr;
}

.passive-network-process-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.passive-network-process-card h3 {
    font-size: 0.98rem;
    margin-bottom: 8px;
}

.passive-network-process-card p {
    font-size: 0.84rem;
    color: var(--color-text-muted);
    line-height: 1.75;
}

@media (max-width: 1100px) {
    .passive-network-process__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .passive-network-stack__layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .passive-network-intro,
    .passive-network-showcase__grid,
    .passive-network-services__grid {
        grid-template-columns: 1fr;
    }

    .passive-network-intro__float--top {
        left: 12px;
    }

    .passive-network-intro__float--bottom {
        right: 12px;
    }

    .passive-network-service-card ul {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .passive-network-process__grid,
    .passive-network-stack__grid {
        grid-template-columns: 1fr;
    }

    .passive-network-intro__visual,
    .passive-network-intro__visual img {
        min-height: 260px;
    }

    .passive-network-intro__float {
        padding: 10px 12px;
    }

    .passive-network-intro__float--top {
        top: 10px;
    }

    .passive-network-intro__float--bottom {
        bottom: 12px;
    }

    .passive-network-showcase__badge {
        left: 12px;
        bottom: 12px;
    }
}