/* ============================================================
   0. 기본 설정 (ROOT & RESET)
   ============================================================ */
:root {
    --primary: #2C3E50;
    --accent: #E07A5F;
    --best-bg: #fdf2ef;
    --saas-color: #546e7a;
    --bg-light: #f8f9fa;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    overflow-x: hidden;
    line-height: 1.6;
}

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

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: #222;
    margin-bottom: 15px;
    line-height: 1.5;
    text-align: center;
}

.section-desc {
    font-size: 16px;
    color: #555;
    margin-bottom: 50px;
    text-align: center;
}

.highlight {
    position: relative;
    z-index: 1;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(224, 122, 95, 0.2);
    z-index: -1;
}

/* ============================================================
   1. 헤더 (HEADER)
   ============================================================ */
header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 33px;
    width: auto;
    display: block;
}

.btn-login {
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    background: transparent;
    padding: 6px 24px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    transition: 0.3s;
}

.btn-login:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* ============================================================
   2. 메인 히어로 (HERO)
   ============================================================ */
.hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 90vh;
    min-height: 600px;
    padding: 0 20px;
    text-align: center;
    color: #fff;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1556761175-5973dc0f32e7?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
}

.hero-badge {
    background: var(--accent);
    color: #fff;
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 45px;
    letter-spacing: 1px;
    animation: fadeInDown 1s ease-out;
}

.hero-title {
    font-size: 50px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 30px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.hero-sub {
    font-size: 22px;
    font-weight: 400;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 500px;
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 30px;
    opacity: 0.7;
    cursor: pointer;
    animation: bounce 2s infinite;
}

/* ============================================================
   3. 가치 제안 (VALUE SECTION)
   ============================================================ */
.value-section {
    padding: 100px 20px;
    background: #EFF2F5;
    text-align: center;
}

.value-intro-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto 60px auto;
    padding: 40px 50px;
    background-color: #fff;
    border-radius: 20px;
    border: 1px solid #eee;
    text-align: left;
    gap: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.grid-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.value-card {
    flex: 1;
    min-width: 300px;
    max-width: 380px;
    background: #fff;
    padding: 45px 35px;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    border: 1px solid #eee;
    transition: 0.3s;
    position: relative;
    text-align: center;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 24px;
    color: #fff;
    font-weight: 800;
    transition: 0.3s;
}

.feat-title {
    font-size: 21px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #222;
    letter-spacing: -0.5px;
}

.feat-text {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
    word-break: break-all !important;
}

/* ============================================================
   4. 스마트 기능 (SMART FEATURE)
   ============================================================ */
.smart-feature-section {
    padding: 100px 20px;
    background: #fff;
    text-align: center;
}

.smart-item {
    flex: 1;
    min-width: 320px;
    max-width: 380px;
    padding: 40px 30px;
    border-radius: 20px;
    background: #fdfdfd;
    border: 1px solid #f0f0f0;
    transition: 0.3s;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.02);
    //border: 1px solid #ddd;
    background:#f8f9fa
}

.smart-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
}

.smart-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    
}

.smart-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
}

.smart-icon {
    width: 70px;
    height: 70px;
    background: #fef8f3;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.smart-list {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    text-align: left;
    display: inline-block;
}

.smart-list li {
    font-size: 15px;
    color: #666;
    margin-bottom: 8px;
    display: flex;
    align-items: flex-start;
}

.smart-list li i {
    font-size: 12px;
    margin-right: 8px;
    margin-top: 5px;
    color: #999;
}

.design-point {
    margin-top: 60px;
    padding: 40px;
    background: var(--primary);
    color: #fff;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    text-align: left;

}

.design-text h4 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #f5c04f;
}

.design-text p {
    font-size: 16px;
    opacity: 0.8;
    margin: 0;
}

/* ============================================================
   5. 미리보기 (ADMIN PREVIEW)
   ============================================================ */
.admin-preview-section {
    padding: 100px 20px;
    background: #fff;
    max-width: 760px;
}

.admin-wrap {
    display: flex;
    align-items: center;
    gap: 50px;
    max-width: 760px;
    margin: 0 auto;
}

.admin-text {
    flex: 1;
    min-width: 300px;
}

.admin-title {
    font-size: 28px;
    font-weight: 800;
    color: #222;
    margin-bottom: 20px;
    line-height: 1.4;
}

.check-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.check-list li {
    margin-bottom: 15px;
    font-size: 16px;
    color: #555;
    display: flex;
    align-items: center;
}

.check-list li i {
    color: var(--accent);
    margin-right: 10px;
    font-size: 18px;
    flex-shrink: 0;
}

.admin-mockup {
    flex: 1.2;
    min-width: 320px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid #ddd;
    overflow: hidden;
}

.mockup-header {
    background: #2C3E50;
    padding: 15px;
    display: flex;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ff5f56;
}

.dot:nth-child(2) {
    background: #ffbd2e;
}

.dot:nth-child(3) {
    background: #27c93f;
}

.mockup-body {
    padding: 30px;
}

.mock-form-group {
    margin-bottom: 15px;
    text-align: left;
}

.mock-title {
    font-weight: 800;
    margin-bottom: 20px;
    font-size: 18px;
    color: #222;
    text-align: left;
}

.mock-input {
    width: 100%;
    height: 35px;
    background: #f9f9f9;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    display: flex;
    align-items: center;
    padding: 0 10px;
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

.skeleton-btn {
    width: 100%;
    height: 44px;
    background: var(--saas-color);
    border-radius: 8px;
    margin-top: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 400;
    font-size: 15px;
    box-shadow: 0 4px 10px rgba(44, 62, 80, 0.2);
    cursor: default;
}

/* ============================================================
   6. 요금제 (PLAN)
   ============================================================ */
.plan-section {
    padding: 120px 20px;
    background: linear-gradient(to bottom, #f4f7f9 0%, #fff 100%);
    text-align: center;
}

.integrated-container.single-focus {
    display: flex;
    justify-content: center;
    max-width: 1200px;
    margin: 50px auto 0;
}

.main-partner-card {
    width: 100%;
    max-width: 760px;
    background: #fff;
    border-radius: 30px;
    padding: 70px 60px;
    box-shadow: 0 30px 60px rgba(44, 62, 80, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.03);
    border-top: 6px solid var(--accent);
    position: relative;
    margin: 0 auto;
}

.card-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent), #ff9f87);
    color: #fff;
    padding: 7px 18px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 30px;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px rgba(224, 122, 95, 0.3);
}

.model-name {
    font-size: 40px;
    font-weight: 800;
    color: #2C3E50;
    margin-bottom: 15px;
    letter-spacing: -1.5px;
}

.model-summary {
    font-size: 18px;
    color: #777;
    margin-bottom: 50px;
    line-height: 1.6;
    word-break: keep-all;
}

.benefit-grid {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
}

.b-item {
    flex: 1;
    background: #f8f9fa;
    padding: 30px 20px;
    border-radius: 20px;
    text-align: center;
    transition: 0.3s;
}

.b-label {
    display: block;
    font-size: 15px;
    color: #7f8c8d;
    margin-bottom: 10px;
    font-weight: 600;
}

.b-value {
    font-size: 32px;
    font-weight: 900;
    color: #2C3E50;
    letter-spacing: -0.5px;
}

.key-features {
    list-style: none;
    padding: 0;
    margin: 0 auto 50px;
    display: table;
    text-align: left;
}

.key-features li {
    font-size: 17px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: #444;
    font-weight: 500;
}

.key-features i {
    color: var(--accent);
    font-size: 25px;
    background: #fdf2ef;
    padding: 5px;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-group {
    display: flex;
    gap: 15px;
    margin-bottom: 35px;
    justify-content: center;
}

.btn-main-join {
    flex: 1.5;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 22px;
    background: var(--primary);
    color: #fff;
    border-radius: 16px;
    font-size: 19px;
    font-weight: 700;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(44, 62, 80, 0.15);
}

.btn-demo-experience {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 22px;
    background: #fff;
    color: #555;
    border: 2px solid #e9ecef;
    border-radius: 16px;
    font-size: 17px;
    font-weight: 700;
    transition: 0.3s;
}

.btn-main-join:hover {
    background: #1a252f;
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(44, 62, 80, 0.25);
}

.btn-demo-experience:hover {
    border-color: #cbd5e0;
    color: #222;
    background: #f8f9fa;
}

.inquiry-text-link {
    font-size: 14px;
    color: #aaa;
    text-align: center;
    margin-top: 20px;
}

.inquiry-text-link a {
    color: #777;
    font-weight: 600;
    text-decoration: underline;
    margin-left: 6px;
    transition: 0.2s;
}

.inquiry-text-link a:hover {
    color: var(--accent);
}

/* ============================================================
   7. FAQ & 프로세스
   ============================================================ */
.faq-section {
    padding: 80px 20px;
    background: #fff;
    border-top: 1px solid #eee;
}

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

.faq-item {
    border-bottom: 1px solid #eee;
    padding: 25px 0;
}

.faq-q {
    font-size: 18px;
    font-weight: 700;
    color: #222;
    margin-bottom: 10px;
    cursor: default;
}

.faq-q i {
    color: var(--accent);
    margin-right: 10px;
}

.faq-a {
    font-size: 15px;
    color: #666;
    padding-left: 28px;
    line-height: 1.6;
}

.process-section {
    padding: 80px 20px;
    background: #1a252f;
    color: #fff;
    text-align: center;
}

.process-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 50px;
}

.process-steps {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.step-item {
    flex: 1;
    width: 200px;
    position: relative;
}

.step-num {
    font-size: 50px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.1);
    line-height: 1;
    margin-bottom: -20px;
}

.step-icon {
    font-size: 36px;
    color: var(--accent);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.step-text h4 {
    font-size: 20px;
    margin-bottom: 10px;
}

.step-text p {
    font-size: 14px;
    opacity: 0.7;
}

/* ============================================================
   8. 푸터 & 모달
   ============================================================ */
footer {
    background: #111;
    color: #666;
    padding: 50px 20px;
    text-align: center;
    font-size: 13px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.btn-sample-view {
    padding: 10px 20px;
    background-color: #2C3E50;
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-sample-view:hover {
    background-color: #1a252f;
}

.sample-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.sample-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 휴대폰 프레임 본체 */
.sample-container {
    width: 380px;      /* 실제 아이폰 사이즈와 유사 */
    height: 800px;
    background: #111;  /* 휴대폰 기기 색상 (검정 베젤) */
    border-radius: 55px; /* 기기 모서리 곡률 */
    padding: 12px;     /* 베젤 두께 */
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    border: 4px solid #444; /* 기기 옆면 금속 느낌 */
    display: flex;
    flex-direction: column;
}

/* 상단 노치 (스피커/카메라 부분) */
.sample-container::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 30px;
    background: #111;
    border-radius: 20px;
    z-index: 10;
}

/* 내부 화면 (iframe이 들어가는 곳) */
.iframe-wrapper {
    flex: 1;
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 40px; /* 화면 안쪽 곡률 */
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.iframe-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* 하단 홈 바 (선택 사항 - 아이폰 느낌) */
.sample-container::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 5px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    z-index: 10;
}

/* 닫기 버튼 위치 조정 (기기 밖으로 이동) */
.btn-close-sample {
    position: absolute;
    top: -10px;
    right: -50px; /* 휴대폰 오른쪽 바깥에 배치 */
    color: #fff;
    font-size: 40px;
    background: none;
    border: none;
    cursor: pointer;
}

/* 모바일 접속 시에는 껍데기를 없애고 꽉 차게 변경 */
@media (max-width: 768px) {
    .sample-container {
        width: 100% !important;
        height: 100% !important;
        border-radius: 0;
        padding: 0;
        border: none;
    }
    .sample-container::before, 
    .sample-container::after { display: none; }
    .iframe-wrapper { border-radius: 0; }
    .btn-close-sample {
        top: 20px;
        right: 20px;
        color: #333; /* 모바일에선 흰 배경일 테니 어두운 색으로 */
    }
}

.sample-overlay.active .sample-container {
    transform: translateY(0);
}

.btn-close-sample {
    position: absolute;
    top: 15px;
    left: 15px;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    z-index: 100;
}

.iframe-wrapper {
    flex: 1;
    width: 100%;
    height: 100%;
    background: #f5f5f5;
}

.iframe-wrapper iframe {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 20px;
}

/* ============================================================
   9. 모바일 반응형 (MOBILE @media)
   ============================================================ */
@media (max-width: 768px) {
    .admin-wrap {
        flex-direction: column;
        text-align: center;
    }


    .compare-wrap {
        flex-direction: column;
        align-items: center;
    }

    .process-steps {
        flex-direction: column;
        gap: 30px;
    }

    .logo img {
        height: 25px;
    }

    .btn-login {
        font-size: 14px;
        padding: 4px 12px;
        border-radius: 20px;
    }

    .hero-title {
        font-size: 27px;
    }

    .hero-sub {
        font-size: 17px;
        width: 90%;
    }

    .section-title,
    .value-title,
    .process-title {
        font-size: 27px;
    }

    .section-desc,
    .value-desc {
        font-size: 17px;
        width: 95% !important;
        margin-left: auto !important;
        margin-right: auto !important;
        text-align: center !important;
        display: block;
    }

    .check-list {
        display: inline-block;
        text-align: left;
        padding: 0 10px;
    }

    .check-list li {
        font-size: 15px;
    }



    .value-section,
    .admin-preview-section,
    .plan-section,
    .faq-section,
    .process-section,
    .smart-feature-section {
        padding: 60px 20px;
    }


    .value-intro-box {
        padding: 0;
        background: none;
        border: none;
        margin-bottom: 30px;
    }

    .vi-list-group {
        width: 100%;
        padding: 25px 10px 20px 13px;
        text-align: left;
    }

    .vi-list-group .custom-check li {
        font-size: 16px !important;
    }


    .smart-header {
        width: 100%;
    }

    .smart-item {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: center;
        padding: 25px 20px;
        text-align: center;
    }

    .smart-icon {
        width: 50px;
        height: 50px;
        font-size: 22px;
        margin: 0 10px 0 0;
    }

    .smart-list {
        margin: 15px auto 0;
        display: inline-block;
        text-align: left;
        width: auto;
    }

    .smart-grid .feat-title {
        margin: 0 !important;
        font-size: 19px !important;
        font-weight: 700;
        line-height: 1.2;
        text-align: left;
        color: #333; /* 글자색 예시 */
    }

    .plan-card {
        width: 100%;
        max-width: 100%;
    }

    .plan-card.best {
        order: -1;
        transform: scale(1);
    }

    .pc-price {
        font-size: 30px;
    }

    .pc-title {
        font-size: 23px;
    }

    .main-partner-card {
        padding: 40px 25px;
        border-radius: 24px;
        border-top-width: 5px;
    }

    .model-name {
        font-size: 26px;
        margin-bottom: 10px;
    }

    .model-summary {
        font-size: 15px;
        margin-bottom: 35px;
    }

    .benefit-grid {
        display: flex;
        gap: 10px;
        margin-bottom: 35px;
    }

    .b-item {
        padding: 20px 10px;
        border-radius: 15px;
    
        /* 모든 항목에 강조 스타일 적용 */
        background: #fff5f2;             /* 연한 붉은 배경 */
        border: 1px solid var(--accent); /* 빨간 테두리 (var(--accent)가 빨간색일 경우) */
        box-shadow: 0 5px 15px rgba(224, 122, 95, 0.15); /* 그림자 */
    }

    .b-label {
        font-size: 13px;
        margin-bottom: 5px;
        opacity: 0.8;
    }

    .b-value {
        font-size: 20px;
        word-break: keep-all;
    }

    .b-item:first-child .b-value {
        color: var(--accent);
    }
    .b-item:last-child .b-value {
        color: var(--accent);
    }

    .key-features {
        display: table;
        margin: 0 auto 40px;
    }

    .key-features li {
        font-size: 15px;
        margin-bottom: 15px;
        gap: 10px;
        text-align: left;
    }

    .action-group {
        flex-direction: column;
        gap: 12px;
    }

    .btn-main-join,
    .btn-demo-experience {
        width: 100%;
        padding: 18px;
        font-size: 17px;
    }

    .step-item {
        display: grid;
        grid-template-columns: 40px 1fr;
        width: 240px;
        align-items: center;
        column-gap: 15px;
        text-align: left;
        margin: 0 auto 20px;
        position: relative;
    }

    .step-num {
        position: absolute;
        top: -10px;
        right: 10px;
        font-size: 40px;
        opacity: 0.1;
        margin: 0;
        z-index: 0;
    }

    .step-icon {
        grid-row: 1;
        grid-column: 1;
        font-size: 28px;
        margin: 0;
        color: var(--accent);
        justify-self: center;
    }

    .step-text h4 {
        grid-row: 1;
        grid-column: 2;
        margin: 0;
        font-size: 20px;
        text-align: left;
    }

    .step-text p {
        grid-row: 2;
        grid-column: 1 / 3;
        margin-top: 10px;
        font-size: 14px;
        opacity: 0.8;
        line-height: 1.5;
    }

    .design-point {
        text-align: center;
        justify-content: center;
        margin-top: 50px;
        padding: 30px;
    }

    .mock-title {
        font-weight: 600;
        text-align: center;
    }

    .faq-q {
        font-size: 16px;
    }

    .feature-list li {
        font-size: 15px;
        margin-bottom: 12px;
        letter-spacing: -0.01em;
    }

    .m-br {
        display: block;
    }
}

@media (max-width: 480px) {
    .sample-container {
        width: 100%;
        height: 100%;
        border-radius: 0;
    }

    .iframe-wrapper iframe {
        border-radius: 0;
    }
}



/* PC에서는 보이지 않도록 설정 */
.m-fixed-demo {
    display: none;
}

/* 모바일 전용 스타일 (768px 이하) */
@media (max-width: 768px) {
    .m-fixed-demo {
        display: flex;
        position: fixed;
        bottom: 25px; /* 하단에서의 거리 */
        right: 20px;  /* 우측에서의 거리 */
        z-index: 1000;
        
        align-items: center;
        background: #f2d4cc; /* 히어로 섹션 포인트 컬러 활용 */
        color: #555;         /* 글자색 */
        
        padding: 10px 15px;
        border-radius: 50px; /* 둥근 캡슐형 */
        
        font-weight: 600;
        font-size: 14px;
        text-decoration: none;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        
        /* 부드럽게 나타나는 애니메이션 */
        animation: slideUp 0.5s ease-out, pulseDemo 2s infinite;
    }

    .m-fixed-demo i {
        margin-right: 6px;
        font-size: 15px;
    }
}

/* 등장 애니메이션 */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 시선 집중 애니메이션 */
@keyframes pulseDemo {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}