@charset "utf-8";

/* style.css */
:root {
    --tele-color-primary: #3390ec;
    --tele-color-primary-dark: #2A79C6;
    --tele-color-bg: #f4f5f7;
    --tele-color-white: #ffffff;
    --tele-color-text-main: #222222;
    --tele-color-text-sub: #555555;
    --tele-color-border: #e0e0e0;
    --tele-color-tip-bg: #eaf3fd;
    --tele-color-accent: #ffb100;

    --tele-border-radius: 16px;
    --tele-transition: 0.3s ease-in-out;
}

/* 최상위 래퍼 설정: 기존 사이트 스타일과 충돌 방지 및 1100px 와이드 레이아웃 적용 */
.tele-lock-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--tele-color-text-main);
    background-color: var(--tele-color-bg);
    box-sizing: border-box;
    line-height: 1.6;
    overflow: hidden;
    /* 영역 밖으로 나가는 요소 숨김 */
}

/* 래퍼 내부 요소 초기화 (모바일 퍼스트) */
.tele-lock-wrapper *,
.tele-lock-wrapper *::before,
.tele-lock-wrapper *::after {
    box-sizing: inherit;
    margin: 0;
    padding: 0;
}

.tele-lock-wrapper b,
.tele-lock-wrapper strong {
    font-weight: 700;
    color: var(--tele-color-text-main);
}

.tele-lock-wrapper a {
    color: var(--tele-color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--tele-transition);
}

.tele-lock-wrapper a:hover {
    text-decoration: underline;
    color: var(--tele-color-primary-dark);
}

.tele-lock-wrapper kbd {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.9em;
    font-family: monospace;
    color: var(--tele-color-text-main);
    background-color: #f1f1f1;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.1);
    margin: 0 4px;
}

/* Header (헤더 영역) - 모바일 퍼스트 기준 작성 */
.tele-lock-header {
    background: linear-gradient(135deg, #3390ec 0%, #206dc0 100%);
    padding: 60px 20px;
    text-align: center;
    color: var(--tele-color-white);
    border-radius: 0 0 var(--tele-border-radius) var(--tele-border-radius);
    margin-bottom: 40px;
    box-shadow: 0 4px 20px rgba(51, 144, 236, 0.2);
}

.tele-lock-header__badge {
    display: inline-block;
    background-color: var(--tele-color-accent);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 16px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.tele-lock-header__title {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 16px;
}

.tele-lock-header__desc {
    font-size: 16px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Main Content (본문 래퍼) */
.tele-lock-main {
    padding: 0 20px 60px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* Intro (도입부) */
.tele-lock-intro {
    background: var(--tele-color-white);
    padding: 30px;
    border-radius: var(--tele-border-radius);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.tele-lock-intro__content p {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--tele-color-text-sub);
}

.tele-lock-intro__content p:last-child {
    margin-bottom: 0;
}

.tele-lock-intro__content mark {
    background-color: rgba(51, 144, 236, 0.1);
    color: var(--tele-color-primary);
    font-weight: 700;
    padding: 0 4px;
}

/* Step Article (설명 단계) */
.tele-lock-step {
    background: var(--tele-color-white);
    padding: 40px 30px;
    border-radius: var(--tele-border-radius);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.tele-lock-step__title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.tele-lock-step__num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: var(--tele-color-primary);
    color: var(--tele-color-white);
    border-radius: 50%;
    font-size: 18px;
}

.tele-lock-step__em {
    color: var(--tele-color-accent);
    font-size: 18px;
}

.tele-lock-step__desc {
    font-size: 16px;
    color: var(--tele-color-text-sub);
    margin-bottom: 24px;
}

/* List Items (순서 리스트) */
.tele-lock-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 30px;
}

.tele-lock-list__item {
    display: flex;
    align-items: flex-start;
    background: var(--tele-color-bg);
    padding: 16px 20px;
    border-radius: 12px;
    transition: transform var(--tele-transition), box-shadow var(--tele-transition);
}

.tele-lock-list__item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.tele-lock-list__num {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background-color: var(--tele-color-white);
    border: 2px solid var(--tele-color-primary);
    color: var(--tele-color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    margin-right: 16px;
    margin-top: 2px;
    /* 텍스트 시작 위치와 시각적 정렬 유지 */
}

.tele-lock-list__text {
    font-size: 16px;
    color: var(--tele-color-text-main);
}

/* Tip Box (꿀팁/조언 박스) */
.tele-lock-tip {
    background-color: var(--tele-color-tip-bg);
    border-left: 4px solid var(--tele-color-primary);
    padding: 24px;
    border-radius: 8px 12px 12px 8px;
    margin-top: 30px;
}

.tele-lock-tip__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--tele-color-primary-dark);
    margin-bottom: 16px;
}

.tele-lock-tip__list {
    list-style: none;
    padding-left: 0;
}

.tele-lock-tip__list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    color: var(--tele-color-text-main);
}

.tele-lock-tip__list li:last-child {
    margin-bottom: 0;
}

.tele-lock-tip__list li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--tele-color-primary);
    font-weight: bold;
    font-size: 18px;
}

/* Summary (결론 및 요약) */
.tele-lock-summary {
    background: var(--tele-color-primary-dark);
    color: var(--tele-color-white);
    padding: 40px 30px;
    border-radius: var(--tele-border-radius);
    text-align: center;
    box-shadow: 0 4px 20px rgba(42, 121, 198, 0.3);
}

.tele-lock-summary__title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 20px;
}

.tele-lock-summary p {
    font-size: 16px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.tele-lock-summary__list {
    list-style: none;
    display: inline-block;
    text-align: left;
    background: rgba(255, 255, 255, 0.1);
    padding: 24px 30px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.tele-lock-summary__list li {
    margin-bottom: 12px;
    position: relative;
    padding-left: 24px;
    font-size: 16px;
}

.tele-lock-summary__list li:last-child {
    margin-bottom: 0;
}

/* Summary 내부 강제 오버라이딩 */
.tele-lock-summary b,
.tele-lock-summary strong {
    color: var(--tele-color-white);
}

.tele-lock-summary__list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--tele-color-accent);
    font-weight: bold;
}

.tele-lock-summary__footer {
    font-size: 15px;
    line-height: 1.8;
    opacity: 0.8 !important;
}

.tele-lock-summary__footer a {
    color: var(--tele-color-accent);
    text-decoration: underline;
}

.tele-lock-summary__footer a:hover {
    text-decoration: none;
    color: var(--tele-color-white);
}

/* 미디어 쿼리 - Tablet (패드, 태블릿 환경) */
@media (min-width: 768px) {
    .tele-lock-header {
        padding: 80px 40px;
    }

    .tele-lock-header__title {
        font-size: 36px;
    }

    .tele-lock-step {
        padding: 50px;
    }

    .tele-lock-list__item {
        align-items: center;
        /* 아이템들을 수평 중앙으로 정렬 */
        flex-direction: row;
    }

    .tele-lock-list__num {
        margin-top: 0;
        /* 수평 정렬시 위쪽 여백 제거 */
    }
}

/* 미디어 쿼리 - Desktop (데스크톱, 넓은 화면 1100px 와이드 환경 대응) */
@media (min-width: 1024px) {
    .tele-lock-header__title {
        font-size: 42px;
    }

    .tele-lock-main {
        padding: 0 40px 80px;
    }
}

/* 스크롤 애니메이션 효과를 위한 유틸리티 클래스 */
.tele-lock-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.tele-lock-fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}