@charset "utf-8";

/* ============================================
   텔레그램 대화 미리보기 가이드 (v1.0.0)
   접두사: tg-peek-
   테마: Stealth Blue & Neon Cyan
============================================ */

:root {
    --peek-primary: #0ea5e9; /* Sky Blue */
    --peek-primary-dark: #0369a1;
    --peek-secondary: #2dd4bf; /* Teal */
    --peek-bg: #f8fafc;
    --peek-midnight: #0f172a;
    --peek-slate-900: #0f172a;
    --peek-slate-800: #1e293b;
    --peek-slate-600: #475569;
    --peek-slate-100: #f1f5f9;
    
    --peek-radius: 24px;
    --peek-shadow: 0 10px 40px rgba(14, 165, 233, 0.08);
}

/* ============================================
   공통 리셋 및 기초 스타일
============================================ */
#tg-peek-wrapper,
#tg-peek-wrapper *,
#tg-peek-wrapper *::before,
#tg-peek-wrapper *::after {
    box-sizing: border-box !important;
    margin: 0; padding: 0; border: none; outline: none;
    text-decoration: none; list-style: none; font-style: normal;
    -webkit-font-smoothing: antialiased !important;
    word-break: keep-all;
}

#tg-peek-wrapper {
    max-width: 1100px !important;
    margin: 0 auto !important;
    width: 100% !important;
    font-family: 'Pretendard', sans-serif !important;
    background-color: var(--peek-bg) !important;
    color: var(--peek-slate-800) !important;
    padding-bottom: 80px !important;
    overflow: hidden !important;
}

#tg-peek-wrapper strong {
    font-weight: 800 !important;
    color: var(--peek-primary-dark) !important;
}

#tg-peek-wrapper mark {
    background: linear-gradient(120deg, #e0f2fe 0%, #bae6fd 100%) !important;
    color: #0369a1 !important;
    font-weight: 700 !important;
    padding: 2px 8px !important;
    border-radius: 4px !important;
}

/* 아이콘 시스템 (충돌 방지 강화) */
#tg-peek-wrapper .fas, 
#tg-peek-wrapper .fab, 
#tg-peek-wrapper .far {
    display: inline-block !important;
    font-family: "Font Awesome 5 Free" !important;
    font-weight: 900 !important;
    line-height: 1 !important;
    vertical-align: middle !important;
    color: inherit;
}

/* ============================================
   히어로 섹션
============================================ */
#tg-peek-wrapper .tg-peek-hero {
    background: linear-gradient(rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.7)), url('hero.png') no-repeat center center / cover !important;
    padding: 130px 24px !important;
    text-align: center !important;
    position: relative !important;
}

#tg-peek-wrapper .tg-peek-hero__inner {
    max-width: 850px !important;
    margin: 0 auto !important;
}

#tg-peek-wrapper .tg-peek-hero__badge {
    display: inline-flex !important; align-items: center !important; gap: 8px !important;
    background: rgba(14, 165, 233, 0.2) !important;
    color: #e0f2fe !important;
    border: 1px solid rgba(14, 165, 233, 0.4) !important;
    padding: 10px 24px !important; border-radius: 100px !important;
    font-size: 15px !important; font-weight: 900 !important;
    margin-bottom: 30px !important; backdrop-filter: blur(10px) !important;
}

#tg-peek-wrapper .tg-peek-hero__badge i {
    color: var(--peek-secondary) !important;
}

#tg-peek-wrapper .tg-peek-hero__title {
    font-size: 46px !important; font-weight: 950 !important; line-height: 1.2 !important;
    margin-bottom: 24px !important; 
    color: #ffffff !important;
    text-shadow: 0 4px 20px rgba(0,0,0,0.6) !important;
}

#tg-peek-wrapper .tg-peek-hero__desc {
    font-size: 21px !important; line-height: 1.7 !important;
    color: rgba(255, 255, 255, 0.95) !important;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5) !important;
}

/* ============================================
   메인 콘텐츠
============================================ */
#tg-peek-wrapper .tg-peek-main {
    padding: 60px 24px !important;
    display: flex !important; flex-direction: column !important; gap: 60px !important;
}

#tg-peek-wrapper .tg-peek-section {
    background: #fff !important; padding: 50px 45px !important; border-radius: var(--peek-radius) !important;
    box-shadow: var(--peek-shadow) !important; border: 1px solid var(--peek-slate-100) !important;
}

#tg-peek-wrapper .tg-peek-section__head {
    display: flex !important; align-items: center !important; gap: 20px !important;
    margin-bottom: 40px !important;
}

#tg-peek-wrapper .tg-peek-section__icon-box {
    width: 64px !important; height: 64px !important;
    background: #e0f2fe !important; color: var(--peek-primary) !important;
    border-radius: 18px !important; display: flex !important; align-items: center !important; justify-content: center !important;
    font-size: 30px !important;
}

#tg-peek-wrapper .tg-peek-section__title {
    font-size: 30px !important; font-weight: 900 !important; color: var(--peek-midnight) !important;
}

/* 플랫폼 레이아웃 */
#tg-peek-wrapper .tg-peek-platform {
    display: grid !important; grid-template-columns: 1fr 1fr !important; gap: 40px !important;
}

#tg-peek-wrapper .tg-peek-card {
    padding: 40px !important; background: var(--peek-slate-100) !important;
    border-radius: 32px !important; position: relative !important;
    transition: all 0.4s ease !important;
}

#tg-peek-wrapper .tg-peek-card--apple { border-top: 4px solid #555 !important; }
#tg-peek-wrapper .tg-peek-card--android { border-top: 4px solid #3ddc84 !important; }

#tg-peek-wrapper .tg-peek-card:hover {
    background: #fff !important; transform: translateY(-10px) !important;
    box-shadow: 0 20px 50px rgba(14, 165, 233, 0.15) !important;
}

#tg-peek-wrapper .tg-peek-card__platform {
    font-size: 14px !important; font-weight: 900 !important; color: var(--peek-slate-600) !important;
    margin-bottom: 20px !important; text-transform: uppercase !important; letter-spacing: 1px !important;
}

#tg-peek-wrapper .tg-peek-card h3 {
    font-size: 24px !important; font-weight: 900 !important; margin-bottom: 20px !important; color: var(--peek-midnight) !important;
}

#tg-peek-wrapper .tg-peek-card ul li {
    position: relative !important; padding-left: 28px !important; margin-bottom: 12px !important;
    line-height: 1.6 !important; font-size: 17px !important;
}

#tg-peek-wrapper .tg-peek-card ul li::before {
    content: "\f058" !important; font-family: "Font Awesome 5 Free" !important; font-weight: 900 !important;
    position: absolute !important; left: 0 !important; top: 2px !important; color: var(--peek-primary) !important;
}

/* 팁 박스 (어두운 배경 영역 가독성 강화) */
#tg-peek-wrapper .tg-peek-tip {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%) !important;
    padding: 40px !important; border-radius: 30px !important;
    margin-top: 40px !important; position: relative !important;
}

#tg-peek-wrapper .tg-peek-tip__label {
    position: absolute !important; top: -18px !important; left: 40px !important;
    background: var(--peek-secondary) !important; color: var(--peek-midnight) !important;
    padding: 8px 25px !important; border-radius: 50px !important;
    font-weight: 950 !important; font-size: 15px !important; box-shadow: 0 10px 20px rgba(45, 212, 191, 0.3) !important;
}

#tg-peek-wrapper .tg-peek-tip p {
    color: #f1f5f9 !important; font-size: 18px !important; line-height: 1.8 !important; margin-bottom: 15px !important;
}

#tg-peek-wrapper .tg-peek-tip p:last-child { margin-bottom: 0 !important; }

#tg-peek-wrapper .tg-peek-tip strong {
    color: var(--peek-secondary) !important;
}

/* ============================================
   결론 및 요약 (Summary 섹션)
============================================ */
#tg-peek-wrapper .tg-peek-summary {
    background: linear-gradient(135deg, #0f172a 0%, #172554 100%) !important;
    padding: 100px 30px !important; border-radius: 50px !important;
    text-align: center !important; position: relative !important;
}

#tg-peek-wrapper .tg-peek-summary__title {
    font-size: 40px !important; font-weight: 950 !important; margin-bottom: 60px !important;
    color: #ffffff !important;
}

#tg-peek-wrapper .tg-peek-summary__grid {
    display: grid !important; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)) !important;
    gap: 30px !important; max-width: 1000px !important; margin: 0 auto !important;
}

#tg-peek-wrapper .tg-peek-summary__box {
    background: rgba(255, 255, 255, 0.05) !important; border: 1px solid rgba(255, 255, 255, 0.1) !important;
    padding: 45px !important; border-radius: 35px !important;
    transition: all 0.4s ease !important;
}

#tg-peek-wrapper .tg-peek-summary__box:hover {
    background: rgba(14, 165, 233, 0.15) !important; border-color: var(--peek-primary) !important;
    transform: translateY(-10px) !important;
}

/* 요약 섹션 아이콘 - 신급 명시성 및 인라인 대비(CSS 수준 최후 보루) */
html body #tg-peek-wrapper .tg-peek-summary__box i.fas {
    font-size: 60px !important;
    color: #ffffff !important;
    display: block !important;
    margin: 0 auto 30px !important;
    text-shadow: 0 0 25px rgba(14, 165, 233, 0.8) !important;
    opacity: 1 !important;
    visibility: visible !important;
}

#tg-peek-wrapper .tg-peek-summary__box strong {
    color: #ffffff !important; font-size: 20px !important; display: block !important; margin-bottom: 12px !important;
}

#tg-peek-wrapper .tg-peek-summary__box p {
    color: rgba(255, 255, 255, 0.7) !important; font-size: 16px !important; margin-bottom: 0 !important;
}

/* 애니메이션 */
.tg-peek-motion {
    opacity: 0 !important; transform: translateY(30px) !important;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1) !important;
}
.tg-peek-motion.is-visible {
    opacity: 1 !important; transform: translateY(0) !important;
}

/* 반응형 */
@media (max-width: 900px) {
    #tg-peek-wrapper .tg-peek-platform { grid-template-columns: 1fr !important; }
}

@media (max-width: 768px) {
    #tg-peek-wrapper .tg-peek-hero__title { font-size: 34px !important; }
    #tg-peek-wrapper .tg-peek-section { padding: 40px 24px !important; }
    #tg-peek-wrapper .tg-peek-platform { gap: 20px !important; }
}