/* 리셋/기본 */
html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
    background-color: #0a0a0a;
    color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* 컨테이너 */
.wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 헤더 */
.header {
    position: sticky;
    top: 0;
    z-index: 999;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.35);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    backdrop-filter: saturate(180%) blur(16px);
}

.header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    height: 32px;
    width: auto;
}

/* 버튼 (스토어) */
.btns {
    display: flex;
    gap: 12px;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    height: 56px;
    padding: 0 18px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    transition: background .2s ease, transform .08s ease;
    cursor: pointer;
}

.store-btn:hover {
    background: rgba(255, 255, 255, 0.12);
}

.store-btn:active {
    transform: translateY(1px);
}

.store-icon {
    width: 22px;
    height: 22px;
}

.store-text {
    font-weight: 700;
    font-size: 15px;
    letter-spacing: .2px;
}

/* 히어로 */
.hero {
    position: relative;
    overflow: hidden;
    padding: 80px 0 40px;
}

.glow1,
.glow2,
.glow3 {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: .55;
    pointer-events: none;
}

.glow1 {
    width: 600px;
    height: 600px;
    left: 50%;
    top: -120px;
    margin-left: -300px;
    background: rgba(251, 191, 36, .25);
}

.glow2 {
    width: 320px;
    height: 320px;
    left: 10%;
    top: 45%;
    background: rgba(217, 70, 239, .18);
}

.glow3 {
    width: 380px;
    height: 380px;
    right: 8%;
    top: 30%;
    background: rgba(59, 130, 246, .18);
}

.hero-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
}

.hero-copy {
    flex: 1;
    min-width: 300px;
}

.eyebrow {
    color: #facc15;
    font-weight: 800;
    font-size: 14px;
    letter-spacing: .4px;
    text-transform: uppercase;
}

.title {
    margin: 10px 0 12px;
    font-size: 48px;
    line-height: 1.08;
    font-weight: 800;
}

.subtitle {
    color: rgba(255, 255, 255, 0.75);
    font-size: 18px;
    line-height: 1.65;
}

.cta {
    margin-top: 28px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-visual {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
}

.phone {
    width: 360px;
    height: 720px;
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55), inset 0 0 0 2px rgba(255, 255, 255, 0.05);
    background: #111;
}

/* 기능 섹션 */
.section {
    padding: 60px 0;
}

.sec-title {
    text-align: center;
    font-weight: 800;
    font-size: 30px;
    margin-bottom: 24px;
}

.sec-sub {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    margin: 0 auto 32px;
    max-width: 760px;
    line-height: 1.7;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.card {
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 22px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    transition: transform .15s ease, background .2s ease;
}

.card:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.06);
}

.card-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(250, 204, 21, .15);
    border: 1px solid rgba(250, 204, 21, .35);
    color: #fde68a;
    font-weight: 700;
}

.card-title {
    margin: 10px 0 6px;
    font-size: 18px;
    font-weight: 800;
}

.card-desc {
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.6;
    font-size: 14px;
}

/* 푸터 */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 28px 0;
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
}

/* 모달 */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    width: 92%;
    max-width: 420px;
    border-radius: 16px;
    background: #111;
    border: 1px solid rgba(255, 255, 255, .12);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .45);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.modal-title {
    font-weight: 800;
    font-size: 16px;
}

.modal-close {
    background: transparent;
    border: 0;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
}

.modal-body {
    padding: 18px;
    color: rgba(255, 255, 255, .85);
    line-height: 1.7;
}

.modal-actions {
    padding: 0 18px 18px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 42px;
    padding: 0 16px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, .18);
    background: rgba(255, 255, 255, .08);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

.btn:hover {
    background: rgba(255, 255, 255, .12);
}

/* 반응형 */
@media (max-width:1024px) {
    .title {
        font-size: 40px;
    }

    .hero-grid {
        flex-direction: column;
    }

    .hero {
        padding: 60px 0 32px;
    }
}

@media (max-width:768px) {
    .title {
        font-size: 32px;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .header-inner {
        height: 64px;
    }

    .store-text {
        font-size: 14px;
    }

    .store-btn {
        height: 52px;
    }
}