/*
 * Webfit Structure Blocks - Shared Design Tokens
 * 모든 wf-* 블록에서 공유하는 CSS 변수와 베이스 유틸 클래스.
 */

:root {
    --wf-color-primary: #111827;
    --wf-color-secondary: #4b5563;
    --wf-color-muted: #6b7280;
    --wf-color-accent: #2563eb;
    --wf-color-accent-soft: #dbeafe;
    --wf-color-bg: #ffffff;
    --wf-color-bg-soft: #f9fafb;
    --wf-color-bg-dark: #0f172a;
    --wf-color-border: #e5e7eb;
    --wf-color-success: #10b981;

    --wf-radius-sm: 8px;
    --wf-radius-md: 16px;
    --wf-radius-lg: 24px;
    --wf-radius-pill: 9999px;

    --wf-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --wf-shadow-md: 0 6px 24px rgba(15, 23, 42, 0.08);

    --wf-container-width: 1120px;
    --wf-section-padding-y: 96px;
    --wf-section-padding-y-mobile: 56px;

    --wf-font-size-eyebrow: 0.875rem;
    --wf-font-size-body: 1rem;
    --wf-font-size-lg: 1.125rem;
    --wf-line-height-tight: 1.2;
    --wf-line-height-normal: 1.6;
}

.wf-section {
    padding: var(--wf-section-padding-y) 24px;
    background: var(--wf-color-bg);
    color: var(--wf-color-primary);
}

.wf-section--soft {
    background: var(--wf-color-bg-soft);
}

.wf-section--dark {
    background: var(--wf-color-bg-dark);
    color: #f8fafc;
}

.wf-container {
    max-width: var(--wf-container-width);
    margin: 0 auto;
    width: 100%;
}

.wf-eyebrow {
    display: inline-block;
    font-size: var(--wf-font-size-eyebrow);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--wf-color-accent);
    margin-bottom: 12px;
}

.wf-headline {
    font-size: clamp(1.75rem, 3.4vw, 2.75rem);
    font-weight: 700;
    line-height: var(--wf-line-height-tight);
    color: var(--wf-color-primary);
    margin: 0 0 16px;
}

.wf-subheadline {
    font-size: var(--wf-font-size-lg);
    line-height: var(--wf-line-height-normal);
    color: var(--wf-color-secondary);
    margin: 0 0 24px;
}

.wf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    border-radius: var(--wf-radius-sm);
    font-weight: 600;
    font-size: var(--wf-font-size-body);
    text-decoration: none;
    transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
    border: 1px solid transparent;
    cursor: pointer;
    line-height: 1;
}

.wf-btn--primary {
    background: var(--wf-color-accent);
    color: #ffffff;
}

.wf-btn--primary:hover {
    background: #1d4ed8;
    color: #ffffff;
    transform: translateY(-1px);
}

.wf-btn--secondary {
    background: transparent;
    color: var(--wf-color-primary);
    border-color: var(--wf-color-border);
}

.wf-btn--secondary:hover {
    background: var(--wf-color-bg-soft);
    border-color: var(--wf-color-primary);
}

.wf-btn--ghost {
    background: transparent;
    color: var(--wf-color-accent);
    padding: 8px 0;
}

.wf-btn--ghost:hover {
    color: #1d4ed8;
}

/* ---------- 반응형 분기 (1024 / 768) ---------- */

/* Tablet */
@media (max-width: 1024px) {
    .wf-section {
        padding: 80px 32px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .wf-section {
        padding: var(--wf-section-padding-y-mobile) 20px;
    }
}

/* ---------- 디바이스별 표시/숨김 유틸 ----------
 * RichText 커스텀 포맷 (wf/pc-only, wf/mobile-only, wf/pc-break, wf/mobile-break) 의
 * 출력 결과를 제어한다. 사용자가 에디터에서 텍스트를 선택해 PC만/모바일만 표시되도록 토글 가능.
 */
.wf-pc-only,
.wf-mobile-only {
    /* span 인라인 기본값 유지 */
}

/* PC (>=1025px): mobile 전용 컨텐츠 숨김 */
@media (min-width: 1025px) {
    .wf-mobile-only {
        display: none !important;
    }
}

/* Tablet/Mobile (<=1024px): PC 전용 컨텐츠 숨김 */
@media (max-width: 1024px) {
    .wf-pc-only {
        display: none !important;
    }
}

/* span > br 패턴 (줄바꿈 헬퍼)도 동일하게 숨김 */
.wf-pc-only > br,
.wf-mobile-only > br {
    /* 부모 span 이 display:none 이면 자동으로 안 보임 */
}