/* =========================================================
 * ebutcam-home / components.css
 * ---------------------------------------------------------
 * - 재사용 컴포넌트: 버튼, 카드, 폼, 뱃지, FAQ, 통계, 표
 * ========================================================= */

/* ---------- 1. 버튼 — 이벗 /cam 톤: 필(pill) 모양, 큰 사이즈 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0 var(--space-8);
    height: 52px;
    font-size: var(--font-size-base);
    font-weight: 700;
    line-height: 1;
    text-align: center;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    cursor: pointer;
    letter-spacing: var(--tracking-tight);
    transition:
        background-color var(--transition-base),
        border-color var(--transition-base),
        color var(--transition-base),
        transform var(--transition-base),
        box-shadow var(--transition-base);
    white-space: nowrap;
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { box-shadow: var(--shadow-focus); outline: none; }

/* Primary — 메인 CTA (앰버 + 글로우) */
.btn-primary {
    background: var(--color-accent);
    color: #fff;
    box-shadow: var(--shadow-cta);
}
.btn-primary:hover {
    background: var(--color-accent-hover);
    color: #fff;
    box-shadow: var(--shadow-cta-hover);
}

/* Secondary — 보조 액션 (라이트 배경) */
.btn-secondary {
    background: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-border-strong);
}
.btn-secondary:hover {
    background: var(--color-bg-subtle);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Outline — 앰버 보더 */
.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
    border-width: 2px;
}
.btn-outline:hover {
    background: var(--color-accent-light);
    color: var(--color-accent-hover);
}

/* Ghost — 텍스트 위주 */
.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}
.btn-ghost:hover {
    background: var(--color-bg-muted);
    color: var(--color-text);
}

/* 다크 섹션 위 secondary — 글래스모피즘 */
.bg-dark .btn-secondary {
    background: rgba(255, 255, 255, 0.07);
    color: rgba(255, 255, 255, 0.82);
    border-color: rgba(255, 255, 255, 0.14);
}
.bg-dark .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.13);
    border-color: rgba(255, 255, 255, 0.28);
    color: #fff;
}

/* 다크 섹션 위 ghost */
.bg-dark .btn-ghost { color: var(--color-text-secondary-on-dark); }
.bg-dark .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-text-on-dark);
}

/* 사이즈 변형 */
.btn-sm { height: 40px; padding: 0 var(--space-5); font-size: var(--font-size-sm); }
.btn-lg { height: 60px; padding: 0 var(--space-10); font-size: var(--font-size-md); }
.btn-block { display: flex; width: 100%; }

/* 아이콘 */
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ---------- 2. 뱃지 ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 4px var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: 600;
    line-height: 1.4;
    border-radius: var(--radius-full);
    background: var(--color-bg-muted);
    color: var(--color-text-secondary);
    white-space: nowrap;
}
.badge-accent  { background: var(--color-accent-light); color: var(--color-accent-hover); }
.badge-success { background: #d1fae5; color: #047857; }
.badge-warning { background: #fef3c7; color: #b45309; }
.badge-dark    { background: rgba(255,255,255,0.10); color: var(--color-text-on-dark); }

/* ---------- 3. 카드 ---------- */
.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}
.card-hover:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--color-accent-light);
    color: var(--color-accent-hover);
    display: inline-grid;
    place-items: center;
    margin-bottom: var(--space-4);
}
.card__icon svg { width: 24px; height: 24px; }

.card__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}
.card__body {
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin: 0;
}

/* 다크 위 카드 */
.bg-dark .card {
    background: var(--color-bg-dark-2);
    border-color: var(--color-border-dark);
}
.bg-dark .card__title { color: var(--color-text-on-dark); }
.bg-dark .card__body  { color: var(--color-text-secondary-on-dark); }

/* 카드 하단 가격+구매 영역 */
.card__buy {
    margin-top: auto;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}
.card__price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    margin-bottom: var(--space-3);
    font-size: var(--font-size-md);
    font-weight: 400;
    color: var(--color-text);
    letter-spacing: -0.01em;
    line-height: 1.1;
}
.card__price small {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0;
}
.card__buy .btn {
    width: 100%;
    font-size: var(--font-size-xs);
    height: 38px;
    padding: 0 var(--space-3);
}

/* 강조 카드 (가격 등) */
.card-featured {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
    position: relative;
}
.card-featured::before {
    content: "추천";
    position: absolute;
    top: -12px;
    left: var(--space-6);
    background: var(--color-accent);
    color: #fff;
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 4px var(--space-3);
    border-radius: var(--radius-full);
}

/* ---------- 4. 폼 ---------- */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}
.form-label .required { color: var(--color-error); margin-left: 2px; }

.form-control {
    display: block;
    width: 100%;
    min-height: 48px;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control::placeholder { color: var(--color-text-muted); }
.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: var(--shadow-focus);
}
.form-control:disabled {
    background: var(--color-bg-muted);
    cursor: not-allowed;
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
    line-height: var(--leading-relaxed);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='none' stroke='%236b7280' stroke-width='2'><path d='M5 8l5 5 5-5'/></svg>");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: var(--space-10);
}

.form-help {
    margin-top: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}
.form-error {
    margin-top: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-error);
}

/* 체크박스 / 라디오 */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    margin: 2px 0 0;
    accent-color: var(--color-accent);
    flex-shrink: 0;
}

/* honeypot — 스팸 방어용 (사용자에게 안 보임, 봇만 채움) */
.hp-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* ---------- 5. 통계 (소셜 프루프) ---------- */
.stats {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.stat {
    text-align: center;
}
.stat__value {
    display: block;
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-2);
}
.bg-dark .stat__value { color: var(--color-text-on-dark); }
.stat__label {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}
.bg-dark .stat__label { color: var(--color-text-secondary-on-dark); }

@media (max-width: 767px) {
    .stat__value { font-size: var(--font-size-4xl); }
}

/* ---------- 6. FAQ 아코디언 ---------- */
.faq {
    border-top: 1px solid var(--color-border);
}
.faq__item {
    border-bottom: 1px solid var(--color-border);
}
.faq__question {
    width: 100%;
    text-align: left;
    padding: var(--space-5) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}
.faq__question:hover { color: var(--color-accent); }
.faq__icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--color-text-muted);
    transition: transform var(--transition-base);
}
.faq__item[open] .faq__icon { transform: rotate(45deg); }
.faq__item[open] .faq__question { color: var(--color-accent); }

.faq__answer {
    padding: 0 0 var(--space-5);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}
.faq__answer p:last-child { margin-bottom: 0; }

/* ---------- 7. 알림 박스 (info / success / warning) ---------- */
.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-size: var(--font-size-sm);
}
.alert-info    { background: var(--color-accent-light); color: #1e40af; border-color: #bfdbfe; }
.alert-success { background: #d1fae5; color: #065f46; border-color: #a7f3d0; }
.alert-warning { background: #fef3c7; color: #92400e; border-color: #fde68a; }
.alert-error   { background: #fee2e2; color: #991b1b; border-color: #fecaca; }

/* ---------- 8. 표 ---------- */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-base);
}
.table th,
.table td {
    padding: var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}
.table th {
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-bg-subtle);
}

@media (max-width: 767px) {
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* ---------- 9. 로고 클라우드 (도입사례용) ---------- */
.logo-cloud {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-8);
    align-items: center;
    justify-items: center;
}
.logo-cloud img,
.logo-cloud .logo-placeholder {
    max-height: 40px;
    width: auto;
    filter: grayscale(100%) opacity(0.7);
    transition: filter var(--transition-base);
}
.logo-cloud img:hover,
.logo-cloud .logo-placeholder:hover {
    filter: grayscale(0%) opacity(1);
}
.logo-placeholder {
    display: inline-grid;
    place-items: center;
    height: 40px;
    padding: 0 var(--space-4);
    background: var(--color-bg-muted);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* ---------- 10. 가격 표시 ---------- */
.price {
    display: inline-flex;
    align-items: baseline;
    gap: var(--space-1);
}
.price__amount {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.03em;
    line-height: 1;
}
.price__unit {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

/* ---------- 페이지 헤더 (서브 페이지 공통) ---------- */
.page-hero {
    position: relative;
    overflow: hidden;
    padding: calc(var(--header-height) + var(--space-6)) 0 var(--space-16);
    background: var(--color-bg-dark);
    color: var(--color-text-on-dark);
    text-align: center;
}
.page-hero::before {
    content: "";
    position: absolute;
    width: 700px; height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, transparent 65%);
    filter: blur(80px);
    top: -250px; left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
}
.page-hero::after {
    content: "";
    position: absolute;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.14) 0%, transparent 65%);
    filter: blur(80px);
    bottom: -250px; right: -150px;
    pointer-events: none;
}
.page-hero > .container {
    position: relative;
    z-index: 1;
}
.page-hero .eyebrow {
    color: var(--color-accent-bright);
    justify-content: center;
    font-size: var(--font-size-base);
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}
.page-hero .eyebrow .rec-dot {
    width: 11px;
    height: 11px;
}
.page-hero h1 {
    color: #fff;
    font-size: clamp(2.2rem, 4.5vw, 3.8rem);
    font-weight: 800;
    margin-bottom: var(--space-5);
    letter-spacing: var(--tracking-tighter);
    line-height: 1.12;
}
.page-hero .lead {
    color: rgba(255, 255, 255, 0.78);
    max-width: 720px;
    margin: 0 auto;
    font-size: var(--hero-sub-size);
    line-height: 1.75;
}

/* 2단 그리드 변형 — 좌:텍스트, 우:일러스트 */
.page-hero__grid {
    display: grid;
    grid-template-columns: 1.05fr 0.9fr;
    gap: var(--space-12);
    align-items: center;
    text-align: left;
}
.page-hero__grid .eyebrow { justify-content: flex-start; }
.page-hero__grid .lead    { margin: 0; max-width: 560px; }

.page-hero__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}
.page-hero__visual svg {
    width: 100%;
    max-width: 460px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.30));
}

@media (max-width: 1023px) {
    .page-hero__grid {
        grid-template-columns: 1fr;
        gap: var(--space-10);
        text-align: center;
    }
    .page-hero__grid .eyebrow { justify-content: center; }
    .page-hero__grid .lead    { margin: 0 auto; }
    .page-hero__visual { order: -1; }
    .page-hero__visual svg { max-width: 320px; }
}

/* ---------- 단계(Step) 목록 — 동작 원리, 가이드 등 공통 ---------- */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    counter-reset: step-counter;
}
.step {
    position: relative;
    padding: var(--space-8) var(--space-6);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}
.step__num {
    display: inline-grid;
    place-items: center;
    width: 44px; height: 44px;
    background: var(--color-accent);
    color: #fff;
    border-radius: 50%;
    font-size: var(--font-size-lg);
    font-weight: 800;
    margin-bottom: var(--space-4);
    box-shadow: 0 4px 12px var(--color-accent-glow);
}
.step h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-2);
}
.step p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: var(--leading-relaxed);
    margin: 0;
}
@media (max-width: 1023px) {
    .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 599px) {
    .steps { grid-template-columns: 1fr; }
}

/* ---------- 인라인 항목 라벨 (필수/선택/소프트웨어) ---------- */
.item-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
    flex-shrink: 0;
}
.item-tag--required {
    background: rgba(37, 99, 235, 0.12);
    color: var(--color-accent-hover);
}
.item-tag--optional {
    background: var(--color-bg-muted);
    color: var(--color-text-muted);
}
.item-tag--software {
    background: rgba(139, 92, 246, 0.12);
    color: #7c3aed;
}

/* 패키지 카드 안 항목 리스트 */
.pkg-items {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-6);
    flex: 1;
}
.pkg-items li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
}
.pkg-items li:last-child { border-bottom: 0; }

/* ---------- 유튜브 lite 임베드 (클릭 시 iframe 교체) ---------- */
.yt-lite {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #001528;
    border: 0;
    padding: 0;
    cursor: pointer;
    overflow: hidden;
}
.yt-lite img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease, filter 0.2s ease;
}
.yt-lite:hover img {
    transform: scale(1.04);
    filter: brightness(1.05);
}

.yt-lite__play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(96, 165, 250, 0.92);
    display: grid;
    place-items: center;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.5);
    transition: transform 0.2s ease, background-color 0.2s ease;
    pointer-events: none;
    z-index: 2;
}
.yt-lite:hover .yt-lite__play {
    transform: translate(-50%, -50%) scale(1.08);
    background: rgba(96, 165, 250, 1);
}
.yt-lite--lg .yt-lite__play {
    width: 96px;
    height: 96px;
    box-shadow: 0 12px 32px rgba(37, 99, 235, 0.55);
}
.yt-lite__play svg {
    width: 28px;
    height: 28px;
    color: #fff;
}
.yt-lite--lg .yt-lite__play svg {
    width: 36px;
    height: 36px;
}

.yt-lite__badge {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    padding: 4px 10px;
    border-radius: 99px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.04em;
    z-index: 2;
}
.yt-lite__caption {
    position: absolute;
    bottom: var(--space-4);
    right: var(--space-4);
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    z-index: 2;
}

/* 클릭 후 iframe 교체된 상태 */
.yt-lite iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

/* ---------- 사진 박스 (제품/장비 사진용) ---------- */
.photo-box {
    position: relative;
    aspect-ratio: 4 / 3;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    /* 카드 padding을 일부만 무시 — 카드 안에서 살짝 확장 */
    margin: calc(var(--space-4) * -1) calc(var(--space-4) * -1) var(--space-5);
}
.photo-box__placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    color: var(--color-text-muted);
    text-align: center;
    padding: var(--space-4);
}
.photo-box__placeholder svg {
    width: 36px;
    height: 36px;
    opacity: 0.5;
}
.photo-box__placeholder strong {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 600;
}
.photo-box__placeholder small {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-family: 'JetBrains Mono', monospace;
}
.photo-box img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--space-2);
    z-index: 1;
    background: #fff;
}

/* ---------- 11. 빈 상태 ---------- */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-4);
    color: var(--color-text-muted);
}
.empty-state svg {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-4);
    color: var(--color-text-muted);
}