/* ============================================
   FAQ — Premium Accordion
   ============================================ */

.faq {
    background: #F5F5F5;
    padding: var(--section-padding) 0;
    position: relative;
}

.faq .container {
    max-width: 80%;
}

/* ---- Layout ---- */
.faq__layout {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: var(--space-16);
    align-items: start;
}

/* ---- Left Column (sticky sidebar) ---- */
.faq__left {
    position: sticky;
    top: 120px;
}

.faq__label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-8);
}

.faq__label-line {
    display: inline-block;
    width: 24px;
    height: 1px;
    background: var(--color-gray-300);
}

.faq__heading {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 4.5vw, 4rem);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    margin-bottom: var(--space-6);
}

.faq__desc {
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-normal);
    margin-bottom: var(--space-10);
    max-width: 380px;
}

.faq__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-5) var(--space-10);
    background: #000000;
    color: var(--color-pure-white);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    border: none;
    border-radius: var(--radius-pill);
    text-decoration: none;
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-out),
                transform var(--duration-fast) var(--ease-out),
                box-shadow var(--duration-fast) var(--ease-out);
}

.faq__cta:hover {
    background: #222222;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.faq__cta-arrow {
    font-size: 1.1em;
    transition: transform var(--duration-base) var(--ease-out);
}

.faq__cta:hover .faq__cta-arrow {
    transform: translateX(3px);
}

/* ---- Accordion ---- */
.faq__accordion {
    display: flex;
    flex-direction: column;
}

/* ---- Accordion Item ---- */
.faq__accordion-item {
    border-top: 1px solid var(--color-gray-200);
    transition: border-color var(--duration-base) var(--ease-out);
}

.faq__accordion-item:last-child {
    border-bottom: 1px solid var(--color-gray-200);
}

.faq__accordion-item:hover {
    border-color: var(--color-gray-300);
}

/* ---- Trigger ---- */
.faq__accordion-trigger {
    display: grid;
    grid-template-columns: 48px 1fr 32px;
    align-items: center;
    gap: var(--space-5);
    width: 100%;
    padding: var(--space-8) var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: opacity var(--duration-base) var(--ease-out);
}

.faq__accordion-trigger:hover {
    opacity: 0.75;
}

/* Number */
.faq__accordion-number {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 2vw, 1.875rem);
    font-weight: var(--font-bold);
    color: var(--color-orange);
    letter-spacing: 0.02em;
    transition: color var(--duration-base) var(--ease-out);
}

.faq__accordion-item.is-open .faq__accordion-number {
    color: var(--color-orange);
}

/* Title */
.faq__accordion-title {
    font-family: var(--font-heading);
    font-size: clamp(1.125rem, 1.5vw, 1.375rem);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    line-height: var(--leading-snug);
    transition: color var(--duration-base) var(--ease-out);
}

/* Icon */
.faq__accordion-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--color-gray-200);
    color: var(--color-gray-300);
    font-size: 1rem;
    transition: transform var(--duration-base) var(--ease-out),
                background var(--duration-base) var(--ease-out),
                border-color var(--duration-base) var(--ease-out),
                color var(--duration-base) var(--ease-out);
}

.faq__accordion-item.is-open .faq__accordion-icon {
    transform: rotate(45deg);
    background: var(--color-pure-white);
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

/* ---- Body ---- */
.faq__accordion-body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq__accordion-body-inner {
    overflow: hidden;
}

.faq__accordion-item.is-open .faq__accordion-body {
    grid-template-rows: 1fr;
}

.faq__accordion-body p {
    padding: 0 var(--space-2) var(--space-7) calc(48px + var(--space-5) + var(--space-2));
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-regular);
    color: var(--color-text-secondary);
    line-height: var(--leading-normal);
    max-width: 540px;
}

/* ---- Scroll Reveal ---- */
.faq__accordion-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                border-color var(--duration-base) var(--ease-out);
}

.faq__accordion-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.faq__left {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq__left.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .faq .container {
        max-width: 90%;
    }

    .faq__layout {
        gap: var(--space-10);
    }
}

@media (max-width: 768px) {
    .faq .container {
        max-width: 92%;
    }

    .faq__layout {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .faq__left {
        position: static;
    }

    .faq__heading {
        font-size: clamp(2rem, 6vw, 2.75rem);
    }

    .faq__accordion-trigger {
        grid-template-columns: 36px 1fr 28px;
        gap: var(--space-3);
        padding: var(--space-5) 0;
    }

    .faq__accordion-body p {
        padding-left: calc(36px + var(--space-3));
    }

    .faq__accordion-number {
        font-size: 1.25rem;
    }
}