/* ==========================================================================
   V — Commissions
   The invitation chapter: services, process, promises, questions.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Services — three equal invitations.
   -------------------------------------------------------------------------- */
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
}

.service-card {
    position: relative;
    padding: clamp(1.6rem, 3vw, 2.2rem);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.service-index {
    color: var(--accent);
}

.service-card h2 {
    font-size: 1.3rem;
    letter-spacing: -0.02em;
    max-width: 16ch;
}

.service-card > p {
    color: var(--text-secondary);
    font-size: var(--size-small);
}

.service-list {
    list-style: none;
    margin-top: auto;
    padding-top: 0.6rem;
}

.service-list li {
    padding: 0.65rem 0;
    border-top: 1px solid var(--border-subtle);
    font-size: var(--size-small);
    color: var(--text-secondary);
    display: flex;
    gap: 0.65rem;
    align-items: baseline;
}

.service-list li::before {
    content: "✦";
    font-size: 0.6rem;
    color: var(--accent);
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Process — a connected track; the thread runs through every step.
   -------------------------------------------------------------------------- */
.process-track {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.4rem;
    counter-reset: step;
}

.process-step {
    position: relative;
    padding-top: 1.6rem;
}

/* the connecting thread */
.process-step::before {
    content: "";
    position: absolute;
    top: 5px;
    left: 0;
    right: -1.4rem;
    height: 1px;
    background: var(--divider);
}

.process-step:last-child::before {
    right: 0;
}

/* the node on the thread */
.process-step::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    border: 1px solid var(--accent);
    background: var(--bg-deep);
    box-shadow: 0 0 12px var(--accent-glow);
    transition: background-color var(--dur-quick) ease, transform var(--dur-quick) var(--ease-spring);
}

.process-step:hover::after {
    background: var(--accent);
    transform: scale(1.25);
}

.process-num {
    font-family: var(--font-mono);
    font-size: var(--size-micro);
    letter-spacing: 0.18em;
    color: var(--accent);
}

.process-step h3 {
    font-size: 1.15rem;
    margin: 0.5rem 0 0.55rem;
}

.process-step p {
    font-size: var(--size-small);
    color: var(--text-secondary);
    max-width: 30ch;
}

/* --------------------------------------------------------------------------
   Promises — spoken, not sold.
   -------------------------------------------------------------------------- */
.promise-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
}

.promise {
    padding: 1.6rem 1.8rem;
    border-left: 2px solid var(--accent);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    background: linear-gradient(100deg, var(--accent-soft), transparent 70%);
    transition: border-color var(--dur-quick) ease, translate var(--dur-quick) var(--ease-physical);
}

.promise:hover {
    border-color: var(--accent-warm);
    translate: 4px 0;
}

.promise p {
    font-family: var(--font-display);
    font-size: 1.08rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.45;
    margin-bottom: 0.7rem;
}

.promise footer {
    font-size: var(--size-small);
    color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   FAQ — folds that open softly.
   -------------------------------------------------------------------------- */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    max-width: 760px;
}

.faq-item {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.15rem 1.4rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.01em;
    cursor: pointer;
    list-style: none;
    transition: color var(--dur-quick) ease;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary:hover { color: var(--accent); }

.faq-marker {
    position: relative;
    flex-shrink: 0;
    width: 14px;
    height: 14px;
}

.faq-marker::before,
.faq-marker::after {
    content: "";
    position: absolute;
    inset: 0;
    margin: auto;
    background: var(--text-secondary);
    transition: transform var(--dur-quick) var(--ease-physical), background-color var(--dur-quick) ease;
}

.faq-marker::before { width: 14px; height: 1.5px; }
.faq-marker::after { width: 1.5px; height: 14px; }

.faq-item[open] .faq-marker::after { transform: rotate(90deg); }
.faq-item[open] .faq-marker::before,
.faq-item[open] .faq-marker::after { background: var(--accent); }

.faq-body {
    padding: 0 1.4rem 1.3rem;
    max-width: 62ch;
}

.faq-body p {
    color: var(--text-secondary);
    font-size: var(--size-small);
}

/* Soft unfold for browsers that animate content height */
.faq-item::details-content {
    block-size: 0;
    overflow: hidden;
    transition: block-size 0.4s var(--ease-physical), content-visibility 0.4s allow-discrete;
}

.faq-item[open]::details-content {
    block-size: auto;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 940px) {
    .service-grid { grid-template-columns: 1fr; }

    .process-track { grid-template-columns: 1fr 1fr; row-gap: 2.4rem; }

    .process-step:nth-child(even)::before { right: 0; }

    .promise-row { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
    .process-track { grid-template-columns: 1fr; }

    /* vertical thread on mobile */
    .process-step { padding-top: 0; padding-left: 1.8rem; }

    .process-step::before {
        top: 12px;
        bottom: -2.4rem;
        left: 5px;
        right: auto;
        width: 1px;
        height: auto;
        background: linear-gradient(180deg, transparent, rgba(235, 232, 255, 0.12), transparent);
    }

    .process-step:last-child::before { display: none; }
}