.features-section {
    background: linear-gradient(to bottom, #ffffff 0%, #f8fafc 100%);
}

    .features-section .section-heading {
        font-weight: 800;
        letter-spacing: -0.03em;
        color: #1f2937;
    }

    .features-section .section-subheading {
        font-size: 1.05rem;
        line-height: 1.8;
        color: #6b7280 !important;
    }

.select-bootstrap {
    position: relative;
}

    /* 기본 화살표 제거 */
    .select-bootstrap select {
        appearance: none;
        -webkit-appearance: none;
        -moz-appearance: none;
        padding-right: 45px; /* 아이콘 공간 */
    }

    /* Bootstrap 느낌의 화살표 */
    .select-bootstrap::after {
        content: "";
        position: absolute;
        right: 15px;
        top: 50%;
        width: 8px;
        height: 8px;
        border-right: 2px solid #6c757d; /* Bootstrap gray */
        border-bottom: 2px solid #6c757d;
        transform: translateY(-50%) rotate(45deg);
        pointer-events: none;
    }

.feature-card {
    position: relative;
    padding: 3.1rem 1.5rem 2rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease, background-color 0.28s ease;
    overflow: hidden;
}
    .feature-card-highlight {
        border: none;
        box-shadow: 0 18px 45px rgba(255, 193, 7, 0.18);
        background: linear-gradient(180deg, #ffffff 0%, #fffdf6 100%);
    }

        .feature-card-highlight:hover {
            transform: translateY(-12px);
            box-shadow: 0 28px 60px rgba(255, 193, 7, 0.25);
            filter: none;
        }

        .feature-card-highlight .feature-icon-wrap {
            margin-top: 0.75rem;
        }

    .feature-card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 24px;
        right: 24px;
        height: 3px;
        border-radius: 999px;
        background: linear-gradient(90deg, rgba(255, 193, 7, 0), rgba(255, 193, 7, 0.9), rgba(255, 193, 7, 0));
        opacity: 0;
        transition: opacity 0.28s ease;
    }

    .feature-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 22px 50px rgba(15, 23, 42, 0.12);
        border-color: rgba(255, 193, 7, 0.35);
        background: #ffffff;
    }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card:hover .feature-icon-wrap {
            transform: scale(1.06);
        }

    

.feature-icon-wrap {
    margin-bottom: 1.25rem;
    transition: transform 0.28s ease;
}

.feature-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 1rem;
    line-height: 1.35;
    letter-spacing: -0.02em;
}

.feature-desc {
    margin: 0;
    color: #6b7280;
    font-size: 1.18rem;
    line-height: 1.85;
}

.feature-badge {
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: inline-block;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(239, 68, 68, 0.25);
    white-space: nowrap;
}

@media (max-width: 991.98px) {
    .feature-title {
        font-size: 1.6rem;
    }

    .feature-desc {
        font-size: 1.08rem;
    }
}

@media (max-width: 767.98px) {
    .feature-card {
        padding: 2rem 1.25rem 1.75rem;
    }

    .feature-title {
        font-size: 1.45rem;
    }

    .feature-desc {
        font-size: 1rem;
        line-height: 1.75;
    }
}

.product-hero-wrapper {
    display: inline-block;
    padding: 30px;
    border-radius: 28px;
    background: linear-gradient(145deg, #ffffff, #f3f4f6);
    box-shadow: 0 20px 50px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.6);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

    /* 은은한 빛 효과 */
    .product-hero-wrapper::before {
        content: "";
        position: absolute;
        top: -30%;
        left: -30%;
        width: 160%;
        height: 160%;
        background: radial-gradient(circle, rgba(255,193,7,0.15), transparent 60%);
        opacity: 0.7;
    }

/* 이미지 */
.product-hero-img {
    max-width: 360px;
    display: block;
    position: relative;
    filter: drop-shadow(0 30px 50px rgba(0,0,0,0.25));
    transition: transform 0.4s ease;
}

/* hover 효과 */
.product-hero-wrapper:hover .product-hero-img {
    transform: scale(1.05) translateY(-5px);
}

/* 카드 영역 */
.product-dark-card {
    display: inline-block;
    padding: 40px;
    border-radius: 30px;
    background: #000;
    box-shadow: 0 30px 80px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.05);
    position: relative;
    overflow: hidden;
    margin-bottom: 100px;
}

    /* 중앙 빛 효과 */
    .product-dark-card::before {
        content: "";
        position: absolute;
        top: -20%;
        left: -20%;
        width: 140%;
        height: 140%;
        background: radial-gradient(circle, rgba(59,130,246,0.25), transparent 60%);
        opacity: 0.6;
    }

    .product-dark-card::after {
        content: "";
        position: absolute;
        bottom: -20px;
        left: 10%;
        width: 80%;
        height: 40px;
        background: radial-gradient(ellipse, rgba(0,0,0,0.5), transparent 70%);
        filter: blur(10px);
    }

/* 이미지 */
.product-dark-img {
    max-width: 360px;
    display: block;
    position: relative;
    filter: drop-shadow(0 25px 40px rgba(0,0,0,0.9));
    transition: transform 0.4s ease;
}

/* hover 효과 */
.product-dark-card:hover .product-dark-img {
    transform: scale(1.05) translateY(-8px);
}

html, body {
    overflow-x: hidden;
}

#features,
#pricing,
#interface,
#contact {
    overflow-x: clip;
}

.nav-menu-track {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

    .nav-menu-track .nav-item {
        position: relative;
        z-index: 2;
    }

    .nav-menu-track .nav-link {
        position: relative;
        z-index: 2;
        padding: 0.9rem 1.2rem !important;
        border-radius: 999px;
        transition: color 0.25s ease;
    }

        /* 활성 메뉴 글자색 */
        .nav-menu-track .nav-link.active {
            color: #fff !important;
        }

/* 움직이는 pill 박스 */
.nav-highlight {
    position: absolute;
    top: 50%;
    left: 0;
    width: 0;
    height: 56px;
    transform: translateY(-50%);
    border-radius: 999px;
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    /* 자세히 알아보기 버튼 느낌 재사용 */
    background-color: #ffc800;
    box-shadow: 0 8px 18px rgba(255, 200, 0, 0.35);
    transition: left 0.35s ease, width 0.35s ease, opacity 0.25s ease;
}

.nav-menu-track .nav-link:hover {
    color: #fff !important;
}

/* 섹션 이동 시 고정 navbar 높이만큼 보정 */
section[id] {
    scroll-margin-top: 110px;
}

@media (max-width: 991.98px) {
    .nav-highlight {
        display: none;
    }
}