/* ═══════════════════════════════════════════════════
   SERVICES HUB — styles
   Inherits: global.css + engineering-platforms.css
═══════════════════════════════════════════════════ */

/* ─── HERO ─── */
.hub-hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
}

.hub-hero-inner {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
}

.hub-eyebrow {
    color: var(--accent-indigo);
}

.hub-h1 {
    font-size: clamp(3rem, 8vw, 7rem);
    line-height: 0.95;
    color: #fff;
    margin: 0;
}

.hub-sub {
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.6;
    max-width: 600px;
}

.hub-lifecycle {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.hub-lifecycle span {
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
}

.hub-arrow {
    color: var(--accent-indigo) !important;
    opacity: 0.6;
}

/* ─── CATEGORY CARDS ─── */
.hub-categories .sp-container {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.hub-cat-card {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 0;
    padding: 0;
    overflow: hidden;
    position: relative;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1),
        box-shadow 0.5s ease,
        border-color 0.4s ease;
    cursor: pointer;
}

.hub-cat-card:hover {
    transform: translateY(-4px);
}

.hub-cat-1:hover {
    border-color: rgba(120, 140, 255, 0.35);
    box-shadow: 0 20px 60px rgba(120, 140, 255, 0.1);
}

.hub-cat-2:hover {
    border-color: rgba(199, 125, 255, 0.35);
    box-shadow: 0 20px 60px rgba(199, 125, 255, 0.1);
}

.hub-cat-3:hover {
    border-color: rgba(0, 229, 160, 0.35);
    box-shadow: 0 20px 60px rgba(0, 229, 160, 0.08);
}

/* Left number column */
.hub-cat-num {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    letter-spacing: 4px;
    font-family: var(--font-heading);
    writing-mode: vertical-rl;
    text-transform: uppercase;
    border-right: 1px solid var(--glass-border);
    padding: 40px 0;
}

.hub-cat-1 .hub-cat-num {
    color: var(--accent-indigo);
}

.hub-cat-2 .hub-cat-num {
    color: #c77dff;
}

.hub-cat-3 .hub-cat-num {
    color: #00e5a0;
}

/* Card body */
.hub-cat-body {
    padding: 50px 56px;
    position: relative;
    z-index: 1;
}

.hub-cat-body h2 {
    font-size: clamp(1.4rem, 3vw, 2.4rem);
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.hub-cat-body>p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
    max-width: 560px;
    margin-bottom: 28px;
}

.hub-cat-list {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hub-cat-list li {
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    padding: 7px 14px;
    border: 1px solid var(--glass-border);
    border-radius: 50px;
}

.hub-cat-cta {
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: gap 0.3s ease;
}

.hub-cat-1 .hub-cat-cta {
    color: var(--accent-indigo);
}

.hub-cat-2 .hub-cat-cta {
    color: #c77dff;
}

.hub-cat-3 .hub-cat-cta {
    color: #00e5a0;
}

.hub-cat-card:hover .hub-cat-cta {
    gap: 18px;
}

.hub-cta-arrow {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.hub-cat-card:hover .hub-cta-arrow {
    transform: translateX(4px);
}

/* Decorative background accent */
.hub-cat-accent {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    right: -80px;
    top: 50%;
    transform: translateY(-50%);
    filter: blur(80px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.hub-cat-card:hover .hub-cat-accent {
    opacity: 1;
}

.hub-accent-1 {
    background: rgba(120, 140, 255, 0.12);
}

.hub-accent-2 {
    background: rgba(199, 125, 255, 0.1);
}

.hub-accent-3 {
    background: rgba(0, 229, 160, 0.08);
}

/* ─── ENGAGEMENT ROW ─── */
.hub-engagement-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.hub-engagement-item {
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.hub-engagement-item:hover {
    transform: translateY(-4px);
}

.hub-engagement-icon {
    font-size: 22px;
    color: var(--accent-indigo);
    opacity: 0.7;
}

.hub-engagement-item h3 {
    font-size: 17px;
    color: #fff;
    margin: 0;
}

.hub-engagement-item p {
    font-size: 14px;
    line-height: 1.6;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
    .hub-cat-card {
        grid-template-columns: 1fr;
    }

    .hub-cat-num {
        writing-mode: horizontal-tb;
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
        padding: 24px 40px;
        justify-content: flex-start;
        font-size: 8px;
        letter-spacing: 3px;
    }

    .hub-h1 {
        font-size: clamp(2.2rem, 10vw, 3.5rem);
        word-break: break-word;
    }

    .hub-cat-body {
        padding: 36px;
    }

    .hub-cat-accent {
        display: none;
    }
}

@media (max-width: 600px) {
    .hub-cat-body {
        padding: 24px 20px;
    }

    .hub-lifecycle {
        gap: 6px;
    }

    .hub-lifecycle span {
        font-size: 10px;
        letter-spacing: 1px;
    }
}

/* Very small phones */
@media (max-width: 360px) {
    .hub-h1 {
        font-size: 2rem;
    }

    .hub-sub {
        font-size: 15px;
    }
}