/*
 * Services Page CSS
 */

/* Hero */
.services-hero {
    padding-top: var(--space-4xl);
    padding-bottom: var(--space-2xl);
}

/* Service Cards */
.service-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xl);
    text-align: left;
    transition: transform var(--duration-base) var(--easing-default),
                box-shadow var(--duration-base) var(--easing-default);
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
}

.service-icon {
    color: var(--accent);
    margin-bottom: var(--space-lg);
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--rounded-lg);
    background: var(--accent-subtle);
    transition: transform var(--duration-fast) var(--easing-spring),
                background var(--duration-fast);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: var(--on-accent);
}

.service-card h3 {
    margin-bottom: var(--space-sm);
}

.service-card p {
    flex-grow: 1;
    margin-bottom: var(--space-md);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    list-style: none;
    padding: 0;
    margin: 0;
    margin-top: auto;
}

/* Staggered reveal */
.services-grid .reveal-on-scroll:nth-child(1) { transition-delay: 0.1s; }
.services-grid .reveal-on-scroll:nth-child(2) { transition-delay: 0.2s; }
.services-grid .reveal-on-scroll:nth-child(3) { transition-delay: 0.3s; }
.services-grid .reveal-on-scroll:nth-child(4) { transition-delay: 0.4s; }


/* ==========================================================================
   How We Work Process (P3-4)
   ========================================================================== */
.process-step {
    text-align: center;
    position: relative;
}
/* 스텝 간 연결선 */
.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 24px;
    right: -50%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--border));
    z-index: 0;
}
.process-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: var(--on-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.125rem;
    margin: 0 auto var(--space-md);
    position: relative;
    z-index: 1;
}
.process-step h3 {
    margin-bottom: var(--space-xs);
}
.process-grid .reveal-on-scroll:nth-child(1) { transition-delay: 0.1s; }
.process-grid .reveal-on-scroll:nth-child(2) { transition-delay: 0.2s; }
.process-grid .reveal-on-scroll:nth-child(3) { transition-delay: 0.3s; }
.process-grid .reveal-on-scroll:nth-child(4) { transition-delay: 0.4s; }

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
    padding-top: var(--space-4xl);
    padding-bottom: var(--space-4xl);
}
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid var(--border);
}
.faq-item {
    border-bottom: 1px solid var(--border);
}
.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    transition: color var(--duration-fast);
}
.faq-question:hover,
.faq-question[aria-expanded="true"] {
    color: var(--accent);
}
.faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: transform var(--duration-base) var(--easing-default), color var(--duration-fast);
}
.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(-180deg);
    color: var(--accent);
}

/* Smooth Accordion Animation Trick */
.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--duration-base) var(--easing-default);
}
.faq-question[aria-expanded="true"] + .faq-answer {
    grid-template-rows: 1fr;
}
.faq-answer-inner {
    overflow: hidden;
    padding-bottom: 0;
    transition: padding var(--duration-base) var(--easing-default), opacity var(--duration-base) var(--easing-default);
    opacity: 0;
}
.faq-question[aria-expanded="true"] + .faq-answer .faq-answer-inner {
    padding-bottom: var(--space-lg);
    opacity: 1;
}

/* Mobile */
@media (max-width: 767px) {
    .services-hero {
        padding-top: var(--space-3xl);
        padding-bottom: var(--space-lg);
    }
    .process-step:not(:last-child)::after {
        display: none;
    }
}