:root {
    --primary-color: #004C9D;
    --secondary-color: #7c3aed;
    --text-color: #1f2937;
    --light-text: #6b7280;
    --background-color: #ffffff;
    --light-bg: #f9fafb;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --container-max-width: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;

    color: var(--text-color);
    background-color: var(--background-color);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;

    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

/* 컨테이너 공통 */
.hero-image,
.feature-image,
.trick-image,
.guarantee-image {
    border-radius: 1rem;    /* 원하는 둥근 값 */
    overflow: hidden;
}

/* 내부 img 공통 */
.hero-image img,
.feature-image img,
.trick-image img,
.guarantee-image img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: inherit;
}
.logo-color{
    color: #004C9D;
}
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Notification Banner */
.notification-banner {

    color: #92400e;
    padding: 0.75rem 0;
    text-align: center;
    font-weight: 500;
}

/* Header */
header {
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
}
.header-menu{
    line-height: 1.5;

}
.header-menu ol{
    display: flex;
    gap: 2rem; /* 항목 간 간격 조절 */
    list-style: none;
    padding: 0;

}
.header-menu ol li:hover{
    cursor: pointer;
    color: #3680f7;
}
.logo-link
{
    transform: scale(2.0);
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.logo img {
    width: 2rem;
    margin-right: 0.5rem;
}

.header-text {
    color: var(--light-text);
    font-size: 0.875rem;
}

.nav-button {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: background-color 0.3s ease;
}
.nav-button:first-child {
    margin-right: 5px;
}

.nav-button:hover {
    background-color: var(--secondary-color);
    color: white;
}

/* Hero Section */
.hero {
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

.hero-description {
    max-width: 700px;
    margin: 0 auto 2rem;
    color: var(--light-text);
    font-size: 1.125rem;
}

.cta-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 0.375rem;
    font-weight: 500;
    font-size: 1.125rem;
    transition: background-color 0.3s ease;
    margin-bottom: 3rem;
}

.cta-button:hover {
    background-color: var(--secondary-color);
    color: white;
}

.hero-image {
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0);
    border-radius: 2rem;
    overflow: hidden;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: var(--light-bg);
    text-align: center;
}

.feature-description {
    max-width: 700px;
    margin: 0 auto 1.5rem;
    color: var(--light-text);
}

.feature-images {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 2rem;
    margin-top: 3rem;
}

.feature-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0);
    border-radius: 0.5rem;
    overflow: hidden;
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 0;
    text-align: center;
}

.how-description {
    max-width: 700px;
    margin: 0 auto 1.5rem;
    color: var(--light-text);
}

.demo-image {
    max-width: 900px;
    margin: 3rem auto 0;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-radius: 0.5rem;
    overflow: hidden;
}

/* Box of Tricks Section */
.box-of-tricks {
    padding: 5rem 0;
    background-color: var(--light-bg);
    text-align: center;
}

.tricks-description {
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--light-text);
}

.tricks-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 2rem;
    margin-bottom: 3rem;
}

.trick-item {
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    padding: 1.5rem;
    background-color: var(--background-color);
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.trick-icon {
    width: 7rem;
    height: 7rem;
    margin: 0 auto 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--light-bg);
    border-radius: 50%;
}

.trick-icon img {
    width: 4.0rem;
    height: 4.0rem;
}

.tricks-images {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 2rem;
    margin-top: 3rem;
}

.trick-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-radius: 0.5rem;
    overflow: hidden;
}

/* Why Use Section */
.why-use {
    padding: 5rem 0;
    text-align: center;
}

.why-description {
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--light-text);
}

.why-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 2rem;
}

.why-item {
    flex: 1;
    min-width: 250px;
    max-width: 400px;
    padding: 1.5rem;
    background-color: var(--light-bg);
    border-radius: 0.5rem;
}

/*  */




.author-image {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 1rem;
}

.author-info h5 {
    margin-bottom: 0.25rem;
}

.author-info p {
    margin-bottom: 0;
    color: var(--light-text);
    font-size: 0.875rem;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.dot {
    width: 0.75rem;
    height: 0.75rem;
    background-color: var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.dot.active {
    background-color: var(--primary-color);
}

/* Guarantee Section */
.guarantee {
    padding: 5rem 0;
    text-align: center;
}

.guarantee-description {
    max-width: 700px;
    margin: 0 auto 1.5rem;
    color: var(--light-text);
}

.guarantee-images {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 2rem;
    margin-top: 3rem;
}

.guarantee-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-radius: 0.5rem;
    overflow: hidden;
}

.guarantee-image.mobile {
    display: none;
}

/* Benefits Section */
.benefits {
    padding: 5rem 0;
    background-color: var(--light-bg);
}

.benefits-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 2rem;
}

.benefit-item {
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    padding: 1.5rem;
    background-color: var(--background-color);
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.benefit-item h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.benefit-item p {
    color: var(--light-text);
    margin-bottom: 0;
}

/* Footer */
footer {
    background-color: var(--text-color);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-top {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    transform: scale(1.5);
}

.footer-logo img {
    width: 7rem;
    /* margin-right: 0.5rem; */
    /* filter: brightness(0) invert(1); */
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: white;
}

.footer-social {
    display: flex;
    gap: 1.5rem;
}

.footer-social a {
    color: white;
    display: flex;
    align-items: center;
}

.footer-social a::before {
    content: "";
    width: 1.5rem;
    height: 1.5rem;
    margin-right: 0.5rem;
    background-size: contain;
    background-repeat: no-repeat;
}

.footer-social a.twitter::before {
    background-image: url('https://usewindy.com/img/twitter.svg');
}

.footer-social a.beyond::before {
    background-image: url('https://usewindy.com/img/beyond.svg');
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    margin-right: auto;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.lecture-grid table {
    border-collapse: collapse;
    width: 100%;
    margin: 20px auto;
    text-align: center;
    font-family: sans-serif;
}
.lecture-grid th, td {
    border: 1px solid #ccc;
    padding: 8px;
    height: 60px;
}
.lecture-grid thead th {
    background-color: #eee;
}
.lecture-grid .highlight {
    background-color: #eb6c28;
}
.lecture-grid .gray {
    background-color: #eee;
}

@media (max-width: 768px) {
    .lecture-grid .responsive-table-wrapper {
        overflow-x: auto;
    }

    .lecture-grid table {
        width: max-content;
    }
    .lecture-grid th, td {

        height: 40px;
    }
}




.mui-lo16g0 {
    display: flex
;
    flex-direction: column;
    -webkit-box-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    align-items: center;
    text-align: center;
    background: rgb(242, 247, 252);
    max-width: 100%;
    overflow: hidden;
    padding: 120px 0px;
}
.mui-8d97to {
    width: 100%;
    margin-left: auto;
    box-sizing: border-box;
    margin-right: auto;
    display: block;
}
.mui-lo16g0 h2 {
    margin-bottom: 56px;
}
.mui-giwdqg {
    margin: 0;
    font-family: Pretendard;
    font-weight: 300;
    font-size: 3.75rem;

    font-size: 46px;
    font-weight: 700;
    line-height: 60px;
}
.swiper {
    overflow: hidden;
    position: relative;
    width: -moz-fit-content;
    width: fit-content;
}
@media (min-width: 901px) {
    .mobile-only {
        display: none !important;
    }
}

.swiper-container {
    display: flex;
    animation: scroll linear infinite;
    animation-duration: 20s;
}
.swiper-container>div {
    flex: 0 0 auto;
    margin: 0 12px;
    width: 629px !important;
}
.mui-1me808l {
    padding: var(--6, 48px) var(--4, 32px);
    box-sizing: border-box;
    border-radius: 20px;
    background: var(--common-white_states-main, #fff);
    text-align: left;
    /* height: 292px; */
}
.mui-1i5fg1h {
    display: flex;
    flex-direction: row;
    -webkit-box-align: center;
    align-items: center;
    -webkit-box-pack: justify;
    justify-content: space-between;
    margin-bottom: 32px;
}
@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* 호버 시 애니메이션 정지 */
.swiper-container:hover {
    animation-play-state: paused;
}




.mui-1ukcqph > section {
    width: 100%;
    display: flex
;
    flex-direction: column;
    -webkit-box-align: center;
    align-items: center;
    margin: auto;
    gap: 40px;
    padding-top: 100px;
}
.mui-mgp0co {
    width: 100%;
    max-width: 1200px;
    margin-top: 100px;
    margin-bottom: 200px;
    padding: 0px 20px;
    display: flex
;
    flex-direction: row;
    gap: 70px;
}
.mui-k752n0 {
    margin: 0px;
    color: rgb(34, 48, 71);
    white-space: nowrap;
    font-family: Pretendard;
    font-weight: 700;
    font-size: 24px;
    line-height: 1.4;
}
.mui-1t2wt3w {
    display: flex
;
    flex-direction: column;
    width: 100%;
    gap: 32px;
}
.mui-cilrll {
    width: 100%;
    border-radius: 8px;
    display: flex
;
    flex-direction: column;
    gap: 16px;
}
.mui-cilrll .title-box {
    display: flex
;
    -webkit-box-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    align-items: center;
    cursor: pointer;
}
.mui-cilrll .title {
    font-size: 24px;
    font-weight: 600;
}
.mui-cilrll .contents-box {
    display: none;
    color: rgb(97, 106, 117);
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 28px;
    letter-spacing: -0.12px;
}
.mui-txsnbi {
    width: 100%;
    min-height: 1px;
    background-color: rgb(216, 220, 224);
}
.mui-cilrll.active .contents-box {
    display: block;
}


/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .hero {
        padding: 3rem 0;
    }

    .feature-images,
    .tricks-images,
    .guarantee-images {
        flex-direction: column;
        align-items: center;
    }

    .guarantee-image.mobile {
        display: block;
    }

    .footer-top {
        flex-direction: column;
        gap: 2rem;
    }
    .mui-mgp0co {
        flex-wrap: wrap;
    }
    .swiper-container>div {
        flex: 0 0 auto;
        margin: 0 12px;
        width: 35% !important;
    }
}

@media (max-width: 480px) {
    .feature-image,
    .trick-image,
    .guarantee-image {
        min-width: 100%;
    }

    .tricks-grid,
    .why-grid,
    .benefits-grid {
        flex-direction: column;
        align-items: center;
    }

    .footer-links,
    .footer-social {
        flex-direction: column;
        gap: 1rem;
    }
}
.sns-image{
    border-radius: 15px;

}
.sns-image:hover{
    cursor: pointer;
}
/* Sticky Header */
header.sticky {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

body.has-sticky-header {
    padding-top: 73px; /* Adjust this value to match your header height */
}

.kakao-floating-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #F1D900;
    color: #3c1e1e;
    border: none;
    border-radius: 50px;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: transform 0.3s;
    font-family: 'Inter', sans-serif;
    z-index: 9999;
}

.kakao-floating-btn:hover {
    transform: scale(1.05);
}

.kakao-floating-btn img {
    width: 24px;
    height: 24px;
    margin-right: 8px;
}

.modal-body {
    max-height: 70vh; /* 화면 높이의 70%까지만 표시 */
    overflow-y: auto; /* 내용이 넘칠 경우 세로 스크롤 */
    padding-right: 0.5rem; /* 스크롤바와 글 사이 여백 */
}
.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    color: black;
    padding: 2rem;
    width: 90%;
    max-width: 600px;
    border-radius: 8px;
    position: relative;
    animation: fadeIn 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}