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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: #18181b;
    background: #fff;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.page-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 48px;
}

.pip {
    display: inline-block;
    border-radius: 50%;
    flex-shrink: 0;
}

.pip-b {
    background: #2563eb;
    width: 8px;
    height: 8px;
}

.pip-o {
    background: #ea580c;
    width: 8px;
    height: 8px;
}

header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid #f4f4f5;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    height: 56px;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.nav-pips {
    display: flex;
    align-items: center;
    gap: 3px;
}

.nav-pips span {
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.nav-pips span:first-child {
    background: #2563eb;
}

.nav-pips span:last-child {
    background: #ea580c;
}

.nav-name {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #18181b;
}

.nav-sep {
    width: 1px;
    height: 16px;
    background: #e4e4e7;
}

.nav-sub {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: #a1a1aa;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    position: relative;
    padding-bottom: 2px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.2px;
    color: #71717a;
    text-decoration: none;
    transition: color .15s;
}

.nav-links a:hover {
    color: #18181b;
}

.nav-links a.active {
    color: #18181b;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    border-radius: 99px;
    background: #2563eb;
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 18px;
    background: linear-gradient(to right, #2563eb, #3b82f6);
    color: #fff;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(37, 99, 235, .25);
    transition: all .2s;
    white-space: nowrap;
}

.nav-cta:hover {
    background: linear-gradient(to right, #ea580c, #fb923c);
    box-shadow: 0 4px 14px rgba(234, 88, 12, .25);
    transform: translateY(-1px);
}

/* 모바일 햄버거 */
.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    height: 2px;
    background: #18181b;
    border-radius: 99px;
    transition: all .25s;
}

.nav-hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.open span:nth-child(2) {
    opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 모바일 드로어 */
.mobile-menu {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100vw;
    overflow: hidden;
    background: #fff;
    z-index: 49;
    padding: 12px 16px 16px;
    flex-direction: column;
    gap: 4px;
    border-bottom: 1px solid #e4e4e7;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .08);
}

.mobile-menu.open {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
}

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

.mobile-menu a {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    font-size: 15px;
    font-weight: 600;
    color: #52525b;
    text-decoration: none;
    border-radius: 10px;
    transition: background .15s, color .15s;
}

.mobile-menu a:hover, .mobile-menu a.active {
    background: #f4f4f5;
    color: #18181b;
}

.mobile-menu .mobile-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 24px;
    margin-top: 4px;
    background: linear-gradient(to right, #2563eb, #3b82f6);
    color: #fff;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(37, 99, 235, .25);
}

.btn-dark {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: #18181b;
    color: #fff;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: background .18s, transform .15s;
}

.btn-dark:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    border: 1.5px solid #e4e4e7;
    color: #52525b;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: border-color .15s, color .15s;
}

.btn-ghost:hover {
    border-color: #71717a;
    color: #18181b;
}

.hero {
    position: relative;
    border-bottom: 1px solid #e4e4e7;
    padding: 56px 0 0;
    background: #fff;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hbg-dot-l {
    position: absolute;
    width: 560px;
    height: 560px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, .05) 0%, transparent 65%);
    top: -160px;
    left: -120px;
}

.hbg-dot-r {
    position: absolute;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(234, 88, 12, .04) 0%, transparent 65%);
    top: -120px;
    right: -100px;
}

.hbg-line {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(#e2e8f0 1px, transparent 1px), linear-gradient(90deg, #e2e8f0 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: .12;
    mask-image: radial-gradient(ellipse 60% 80% at 65% 40%, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 60% 80% at 65% 40%, black 0%, transparent 70%);
}

.hero-wrap {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 2fr 4fr;
    gap: 40px;
    align-items: center;
}

.hero-title-col {
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding-bottom: 48px;
}

.hero-h1 {
    font-size: clamp(44px, 5vw, 72px);
    font-weight: 800;
    letter-spacing: -2.5px;
    line-height: 1.1;
    color: #18181b;
}

.h1-em {
    font-style: italic;
    display: block;
    background: linear-gradient(90deg, #2563eb 0%, #7c3aed 45%, #ea580c 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

.hero-meta {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hero-desc {
    font-size: 16px;
    color: #52525b;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-top: 20px;
    border-top: 1px solid #f4f4f5;
    margin-top: 4px;
}

.hstat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hstat-v {
    font-size: 16px;
    font-weight: 800;
    color: #18181b;
    letter-spacing: -0.3px;
}

.hstat-l {
    font-size: 11px;
    color: #a1a1aa;
    font-weight: 500;
}

.hstat-div {
    width: 1px;
    height: 28px;
    background: #e4e4e7;
}

.hero-video-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.video-shell {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #e4e4e7;
    box-shadow: 0 16px 48px rgba(0, 0, 0, .10);
}

.vs-chrome {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #f4f4f5;
    border-bottom: 1px solid #e4e4e7;
    padding: 8px 14px;
}

.vs-dots {
    display: flex;
    gap: 5px;
}

.vs-dots span {
    display: block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
}

.vs-dots span:nth-child(1) {
    background: #f87171;
}

.vs-dots span:nth-child(2) {
    background: #fbbf24;
}

.vs-dots span:nth-child(3) {
    background: #4ade80;
}

.vs-url {
    flex: 1;
    background: #fff;
    border: 1px solid #e4e4e7;
    border-radius: 5px;
    padding: 3px 12px;
    font-size: 11px;
    color: #a1a1aa;
    text-align: center;
}

.vs-body {
    overflow: hidden;
    background: #fafafa;
}

.vs-video {
    display: block;
    width: 100%;
    height: auto;
    max-height: 520px;
    object-fit: cover;
}

.features {
    padding: 80px 0;
}

.feat-head {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 48px;
    align-items: end;
    margin-bottom: 56px;
    padding-bottom: 40px;
    border-bottom: 2px solid #f4f4f5;
}

.feat-eyebrow {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #94a3b8;
    grid-column: 1;
    margin-bottom: 6px;
}

.feat-h2 {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.15;
    color: #0f172a;
    grid-column: 1;
}

.feat-head-desc {
    font-size: 15px;
    color: #64748b;
    line-height: 1.7;
    grid-column: 2;
    grid-row: 1 / 3;
    align-self: end;
}

.feat-full {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 72px;
    padding-bottom: 72px;
    border-bottom: 1px solid #f4f4f5;
}

.feat-full-last {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.feat-text-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.feat-desc-col {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-top: 4px;
}

.feat-img-frame {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #e4e4e7;
    box-shadow: 0 4px 24px rgba(15, 23, 42, .08);
    transition: box-shadow .2s, transform .2s;
}

.feat-img-frame:hover {
    box-shadow: 0 12px 40px rgba(15, 23, 42, .12);
    transform: translateY(-2px);
}

.feat-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.feat-num-tag {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.fnt-num {
    font-size: 10px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 6px;
    padding: 3px 9px;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.fnt-label {
    font-size: 12px;
    font-weight: 700;
    color: #94a3b8;
    letter-spacing: 0.3px;
}

.feat-h3 {
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 800;
    letter-spacing: -0.7px;
    line-height: 1.25;
    color: #0f172a;
}

.feat-p {
    font-size: 15px;
    color: #475569;
    line-height: 1.8;
}

.feat-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feat-list li {
    font-size: 14px;
    color: #475569;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.feat-list li::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    flex-shrink: 0;
}

.feat-portrait-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 72px;
    padding-bottom: 72px;
    border-bottom: 1px solid #f4f4f5;
    align-items: start;
}

.feat-portrait-item {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 28px;
    border-radius: 20px;
    border: 1px solid #e4e4e7;
    background: linear-gradient(145deg, #fafafa, #f8faff);
    transition: box-shadow .2s, transform .2s;
}

.feat-portrait-item:hover {
    box-shadow: 0 8px 32px rgba(37, 99, 235, .08);
    transform: translateY(-2px);
}

.feat-double-h {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.3;
    color: #0f172a;
}

.how {
    background: #fafafa;
    border-top: 1px solid #f4f4f5;
    border-bottom: 1px solid #f4f4f5;
    padding: 80px 0;
}

.how-wrap {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 80px;
    align-items: start;
}

.how-left {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.how-h2 {
    font-size: clamp(26px, 3vw, 38px);
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.2;
    color: #18181b;
}

.how-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.hstep {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.hstep-n {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #d4d4d8;
}

.hstep-bar {
    height: 2px;
    width: 36px;
    border-radius: 99px;
}

.bar-b {
    background: #2563eb;
}

.bar-mix {
    background: linear-gradient(90deg, #2563eb, #7c3aed);
}

.bar-o {
    background: #ea580c;
}

.hstep-title {
    font-size: 17px;
    font-weight: 700;
    color: #18181b;
}

.hstep-p {
    font-size: 15px;
    color: #52525b;
    line-height: 1.75;
}

.cta {
    background: #f8faff;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
    padding: 56px 0;
}

.cta-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.cta-left {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cta-h2 {
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.1;
    color: #0f172a;
}

.cta-p {
    font-size: 16px;
    color: #64748b;
}

.cta-right {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: linear-gradient(to right, #2563eb, #3b82f6);
    color: #fff;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    box-shadow: 0 8px 24px rgba(37, 99, 235, .25);
    transition: all .2s;
}

.btn-cta-primary:hover {
    background: linear-gradient(to right, #ea580c, #fb923c);
    box-shadow: 0 8px 24px rgba(234, 88, 12, .25);
    transform: translateY(-2px);
}

.btn-arrow {
    width: 16px;
    height: 16px;
    transition: transform .2s;
}

.btn-cta-primary:hover .btn-arrow {
    transform: translateX(3px);
}

.btn-cta-ghost {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    border: 1.5px solid #e2e8f0;
    color: #475569;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: border-color .15s, color .15s;
    white-space: nowrap;
}

.btn-cta-ghost:hover {
    border-color: #94a3b8;
    color: #18181b;
}


footer {
    background: #1e293b;
    padding: 24px 0;
}

.footer-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 4px;
}

.footer-name {
    font-size: 13px;
    font-weight: 800;
    color: rgba(255, 255, 255, .4);
    margin-left: 5px;
}

.footer-copy {
    font-size: 12px;
    color: rgba(255, 255, 255, .25);
}


footer {
    padding: 32px 0;
}

.footer-wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
}

.footer-info {
    margin: 14px 0 20px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.footer-company {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, .85);
    margin: 0;
}

.footer-meta {
    font-size: 12px;
    color: rgba(255, 255, 255, .35);
    line-height: 1.65;
    margin: 0;
}

.footer-divider {
    margin: 0 7px;
    color: rgba(255, 255, 255, .2);
}

.footer-email {
    color: rgba(255, 255, 255, .35);
    text-decoration: none;
    transition: color .15s;
}

.footer-email:hover {
    color: rgba(255, 255, 255, .65);
}

.footer-copy {
    font-size: 12px;
    color: rgba(255, 255, 255, .2);
}

@media (max-width: 900px) {
    .page-wrap {
        padding: 0 32px;
    }

    .nav-inner {
        padding: 0 32px;
    }

    /* 네비 링크 숨기고 햄버거 표시 */
    .nav-links, .nav-cta {
        display: none;
    }

    .nav-hamburger {
        display: flex;
    }

    /* 히어로 */
    .hero {
        padding: 40px 0 0;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-title-col {
        padding-bottom: 0;
        gap: 20px;
    }

    .hero-h1 {
        letter-spacing: -1.5px;
    }

    .hero-video-col {
        padding-bottom: 40px;
    }

    /* 피처 헤드 */
    .feat-head {
        grid-template-columns: 1fr;
    }

    .feat-head-desc {
        grid-column: 1;
        grid-row: auto;
        margin-top: 8px;
    }

    /* 피처 텍스트 분할 */
    .feat-text-split {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* 세로 카드 쌍 */
    .feat-portrait-pair {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* 사용방법 */
    .how-wrap {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .how-steps {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    /* CTA */
    .cta-wrap {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 640px) {
    .page-wrap {
        padding: 0 20px;
    }

    .nav-inner {
        padding: 0 20px;
    }

    .nav-sub {
        display: none;
    }

    .nav-sep {
        display: none;
    }

    /* 히어로 */
    .hero {
        padding: 32px 0 0;
    }

    .hero-h1 {
        font-size: clamp(36px, 10vw, 52px);
        letter-spacing: -1.5px;
    }

    .hero-desc {
        font-size: 14px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-cta a {
        text-align: center;
        justify-content: center;
    }

    .hero-stats {
        gap: 16px;
        flex-wrap: wrap;
    }

    .hstat-v {
        font-size: 14px;
    }

    /* 섹션 패딩 */
    .features {
        padding: 56px 0;
    }

    .how {
        padding: 56px 0;
    }

    .cta {
        padding: 40px 0;
    }

    /* 피처 */
    .feat-full {
        margin-bottom: 48px;
        padding-bottom: 48px;
    }

    .feat-portrait-item {
        padding: 20px;
    }

    .feat-double-h {
        font-size: 17px;
    }

    /* 사용방법 스텝: 카운터 + 바 가로 배치 */
    .hstep {
        flex-direction: column;
        gap: 10px;
    }

    /* CTA */
    .cta-right {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-cta-primary, .btn-cta-ghost {
        justify-content: center;
    }

    /* 푸터 */
    .footer-wrap {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    /* video 높이 제한 완화 */
    .vs-video {
        max-height: 240px;
    }

    .footer-meta .footer-divider {
        display: none;
    }

    .footer-meta {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
}