/* ===================== Reset & Base ===================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Pretendard Variable', Pretendard, sans-serif;
    color: #212121;
    background-color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1064px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================== Visibility ===================== */
.pc-only { display: block; }
.mobile-only { display: none; }

/* ===================== Hero Section ===================== */
.hero-section {
    background-color: #212121;
    color: #fff;
    padding: 80px 20px; /* 위/아래 여백 늘림 */
    text-align: center;
}

.main-title {
    font-size: 58px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 50px; /* 메인타이틀과 이미지 간격 */
}

.hero-logo img {
    max-width: 250px;
    margin: 0 auto 40px; /* 이미지 아래 여백 */
}

.cta-btn {
    display: inline-block;
    background-color: #9E97ff;
    color: #000;
    font-size: 25px;
    font-weight: 600;
    padding: 15px 28px;
    border-radius: 6px;
    border: 1px solid rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    cursor: pointer;
    margin-bottom: 40px; /* CTA 버튼과 서브타이틀 간격 */
}

.cta-btn:hover {
    background-color: #4681f5;
    transform: translateY(-2px);
}

.sub-title {
    font-size: 16px;
    font-weight: 200;
    color: #d8d8d8;
    line-height: 1.5;
    max-width: 700px;
    margin: 0 auto;
}


/* ===================== Features ===================== */
.features-section {
    background-color: #eff5ff;
    padding: 80px 20px;
}

.section-title {
    font-size: 58px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    line-height: 1.3;
}

.section-subtitle {
    font-size: 15px;
    font-weight: 500;
    text-align: center;
    margin-bottom: 50px;
}

.checklist {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.checklist p {
    font-size: 30px;
    font-weight: 600;
    margin: 15px 0;
    line-height: 1.2;
}

.section-cta {
    display: block;
    background-color: #9E97ff;
    color: #000;
    font-size: 25px;
    font-weight: 600;
    padding: 15px 28px;
    border-radius: 6px;
    border: 1px solid rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    margin: 0 auto 40px; /* auto로 가운데 정렬 */
    max-width: fit-content; /* 내용만큼만 버튼 너비 유지 */
}

/* ===================== Process Section ===================== */
.process-section {
    background-color: #D2EFFF;
    color: #000000;
    padding: 100px 20px;
    text-align: center;
    margin-bottom: 80px;
}

.process-section .section-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 50px;
}

.process-image {
    margin: 40px auto;
    text-align: center;
}

.process-image img {
    max-width: 100%;
    height: auto;
}

.process-subtext {
    font-size: 20px;
    font-weight: 500;
    margin-top: 40px;
    line-height: 1.5;
}

/* 모바일 */
@media (max-width: 768px) {
    .process-section {
        padding: 60px 20px;
        margin-bottom: 40px;
    }

    .process-section .section-title {
        font-size: 30px;
        margin-bottom: 30px;
    }

    .process-subtext {
        font-size: 16px;
        margin-top: 20px;
    }
}

/* ===================== Container Box ===================== */
/* Wrapper for vertical boxes */
.container-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
    padding: 40px 20px;
}

/* Individual box */
.container-box {
    border-radius: 25px;
    background-color: #FFF;
    display: flex;
    flex-direction: row; /* PC에서는 이미지 좌측, 텍스트 우측 */
    align-items: flex-start;
    padding: 20px;
    gap: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 1064px;
    margin: 0 auto;
}

.container-box img {
    width: 180px;
    height: auto;
    border-radius: 12px;
    flex-shrink: 0;
}

.text-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}

.title-text {
    font-size: 27px;
    font-weight: 600;
    line-height: 43px;
    margin-bottom: 15px;
}

.body-text {
    font-size: 18px;
    font-weight: 400;
    line-height: 30px;
}

.container-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}


/* ===================== 모바일 반응형 ===================== */
@media (max-width: 768px) {
    .container-box {
        flex-direction: column; /* 세로 배치 */
        align-items: center;
        text-align: left;
    }
    .container-box img {
        width: 80%;
        max-width: 250px;
        margin-bottom: 15px;
    }
    .title-text {
        font-size: 22px;
        line-height: 34px;
    }
    .body-text {
        font-size: 16px;
        line-height: 26px;
    }
}

@media (max-width: 480px) {
    .title-text {
        font-size: 20px;
        line-height: 30px;
    }
    .body-text {
        font-size: 14px;
        line-height: 24px;
    }
}


/* ===================== Footer ===================== */
.footer {
    background-color: #1d1d1d;
    color: #e6e6e6;
    padding: 60px 20px 40px;
}

.footer-logo { margin-bottom: 30px; }
.footer-logo img { max-width: 94px; cursor: pointer; }

.footer-notice { font-size: 12px; color: #f1f0f0; margin-bottom: 25px; line-height: 2.3; }

.footer-info {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.company-info p { font-size: 10px; line-height: 1.6; margin: 5px 0; }
.company-info strong { font-size: 10px; font-weight: 700; }

.footer-links { display: flex; gap: 30px; flex-wrap: wrap; margin-top: 20px; }
.footer-links a { font-size: 12px; font-weight: 700; color: #f9f9f9; transition: color 0.3s ease; }
.footer-links a:hover { color: #1daeff; }

/* ===================== Channel Talk Button ===================== */
#channel-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
}

/* ===================== 빠진 곳들 모바일 ===================== */
@media (max-width: 768px) {
    .pc-only { display: block; }
    .mobile-only { display: block; }

    .hero-section { padding: 40px 20px; min-height: auto; }

    .hero-left img { max-width: 100%; }
    .hero-right { padding: 10px; }

    .main-title { font-size: 36px; }
    .sub-title { font-size: 15px; }

    .section-title {font-size: 36px;}
    .section-subtitle {font-size: 15px;}
    .checklist p {font-size: 20px;font-weight: 600;}
    .section-cta { font-size: 20px; padding: 8px 20px; border-radius: 12px; }
}

@media (max-width: 480px) {
    .main-title, .usp-title { font-size: 30px; }
    .sub-title, .feature-card p, .usp-card p { font-size: 14px; }
    .cta-btn, .usp-btn { font-size: 16px; padding: 10px 18px; }
}

/* ================= NAVIGATION BAR ================= */

.navbar {
    width: 100%;
    background: white;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 999;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo img {
    height: 38px;
    cursor: pointer;
}

.nav-menu a {
    margin-left: 30px;
    text-decoration: none;
    font-size: 17px;
    color: #222;
    font-weight: 500;
}

.nav-menu a:hover {
    color: #007aff;
}

/* ================= MOBILE NAV ================= */

.hamburger {
    font-size: 28px;
    cursor: pointer;
    display: none;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    background: #fff;
    border-top: 1px solid #eee;
}

.mobile-menu a {
    padding: 16px 20px;
    border-bottom: 1px solid #eee;
    color: #222;
    text-decoration: none;
    font-size: 16px;
}

.mobile-menu.active {
    display: flex;
}

/* ================= RESPONSIVE ================= */

.pc-only {
    display: flex;
}

.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .pc-only {
        display: none !important;
    }
    .mobile-only {
        display: block;
    }
    .hamburger {
        display: block;
    }
}

.faq-section {
    background-color: #f9f9f9;
    padding: 80px 20px;
}

.faq-section .section-title {
    font-size: 48px;
    text-align: center;
    margin-bottom: 50px;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #ddd;
    margin-bottom: 15px;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 18px 20px;
    font-size: 18px;
    font-weight: 600;
    background-color: #fff;
    border: none;
    cursor: pointer;
    outline: none;
    transition: background 0.3s;
}

.faq-question:hover {
    background-color: #eee;
}

.faq-answer {
    display: none;
    padding: 15px 20px;
    font-size: 16px;
    line-height: 1.5;
    background-color: #fefefe;
}

html {
    scroll-behavior: smooth;
}