*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #1a1a1a;
    background: #fff;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 헤더 */
header.site-header {
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.92);
    backdrop-filter: saturate(180%) blur(10px);
    -webkit-backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    z-index: 50;
}
.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.brand {
    font-size: 22px;
    font-weight: 900;
    background: linear-gradient(135deg, #1e3a8a, #0891b2);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -1px;
}
.nav-actions a {
    font-size: 14px;
    font-weight: 600;
    color: #475569;
    margin-left: 18px;
}
.nav-actions .btn-login {
    background: linear-gradient(135deg, #1e3a8a, #0891b2);
    color: #fff;
    padding: 10px 22px;
    border-radius: 10px;
}

/* 히어로 */
.hero {
    position: relative;
    min-height: 620px;
    display: flex;
    align-items: center;
    color: #fff;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../img/1.png') center/cover no-repeat;
    opacity: 0.45;
    z-index: 0;
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(8, 145, 178, 0.75) 100%);
    z-index: 1;
}
.hero .container {
    position: relative;
    z-index: 2;
    padding-top: 80px;
    padding-bottom: 80px;
}
.hero h1 {
    font-size: 52px;
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -1.5px;
    margin: 0 0 22px;
}
.hero h1 .accent {
    background: linear-gradient(90deg, #34d399, #22d3ee);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero p.lead {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin: 0 0 32px;
    max-width: 620px;
    line-height: 1.7;
}
.hero-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: #1e3a8a;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 15px;
    transition: transform .15s, box-shadow .15s;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.2);
}
.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.12);
    color: #fff;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    border: 1px solid rgba(255,255,255,0.3);
}
.btn-ghost:hover { background: rgba(255,255,255,0.2); }

/* 섹션 공통 */
section { padding: 90px 0; }
.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 800;
    margin: 0 0 16px;
    letter-spacing: -1px;
}
.section-sub {
    text-align: center;
    color: #6b7280;
    font-size: 16px;
    margin: 0 0 60px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

/* 기능 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 32px 24px;
    transition: transform .2s, box-shadow .2s, border-color .2s;
}
.feature-card:hover {
    transform: translateY(-4px);
    border-color: #0891b2;
    box-shadow: 0 12px 32px rgba(8, 145, 178, 0.1);
}
.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #1e3a8a, #0891b2);
    color: #fff;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 20px;
}
.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 10px;
    letter-spacing: -0.3px;
}
.feature-card p {
    color: #6b7280;
    font-size: 14.5px;
    margin: 0;
    line-height: 1.65;
}

/* 쇼케이스 (이미지 배경 섹션) */
.showcase {
    position: relative;
    color: #fff;
    overflow: hidden;
}
.showcase::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../img/2.png') center/cover no-repeat;
    opacity: 0.35;
    z-index: 0;
}
.showcase::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 58, 138, 0.85));
    z-index: 1;
}
.showcase .container {
    position: relative;
    z-index: 2;
    text-align: center;
}
.showcase h2 {
    font-size: 40px;
    font-weight: 900;
    margin: 0 0 16px;
    letter-spacing: -1px;
}
.showcase p {
    font-size: 17px;
    color: rgba(255,255,255,0.9);
    max-width: 700px;
    margin: 0 auto 36px;
}
.stat-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 50px;
}
.stat-box {
    text-align: center;
    padding: 24px 12px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 14px;
    backdrop-filter: blur(8px);
}
.stat-box .num {
    font-size: 32px;
    font-weight: 900;
    color: #34d399;
    margin-bottom: 6px;
}
.stat-box .label {
    font-size: 13px;
    color: rgba(255,255,255,0.85);
}

/* 가격 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 760px;
    margin: 0 auto;
    align-items: stretch;
}
.price-card {
    background: #fff;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    padding: 36px 30px;
    text-align: center;
    transition: all .2s;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.price-card.featured {
    border-color: #0891b2;
    box-shadow: 0 12px 40px rgba(8, 145, 178, 0.15);
    transform: scale(1.03);
}
.price-card .plan {
    font-size: 14px;
    font-weight: 700;
    color: #0891b2;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}
.price-card .price {
    font-size: 42px;
    font-weight: 900;
    color: #1a1a1a;
    margin: 0;
    letter-spacing: -1px;
}
.price-card .price small {
    font-size: 16px;
    color: #6b7280;
    font-weight: 500;
}
.price-card .desc {
    color: #6b7280;
    margin: 16px 0 24px;
    font-size: 14px;
}
.price-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    text-align: left;
    flex-grow: 1;
}
.price-card ul li {
    padding: 8px 0;
    font-size: 14.5px;
    color: #374151;
    display: flex;
    align-items: center;
    gap: 10px;
}
.price-card ul li i {
    color: #10b981;
    font-size: 18px;
}

/* FAQ */
.faq-list {
    max-width: 780px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid #e5e7eb;
    padding: 22px 0;
}
.faq-q {
    font-size: 17px;
    font-weight: 700;
    color: #1a1a1a;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}
.faq-q i { color: #0891b2; }
.faq-a {
    font-size: 15px;
    color: #6b7280;
    padding-left: 30px;
    line-height: 1.75;
}

/* CTA */
.cta {
    background: linear-gradient(135deg, #1e3a8a, #0891b2);
    color: #fff;
    text-align: center;
}
.cta h2 {
    font-size: 36px;
    font-weight: 900;
    margin: 0 0 16px;
    letter-spacing: -1px;
}
.cta p {
    color: rgba(255,255,255,0.9);
    font-size: 17px;
    margin: 0 0 32px;
}

/* 푸터 */
footer.site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 40px 0 30px;
    font-size: 13px;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}
.footer-brand {
    color: #fff;
    font-weight: 800;
    font-size: 18px;
}
.footer-meta { font-size: 12.5px; line-height: 1.8; }

/* 모바일 */
@media (max-width: 768px) {
    .hero h1 { font-size: 34px; }
    .hero p.lead { font-size: 16px; }
    .section-title { font-size: 28px; }
    .feature-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .price-card.featured { transform: none; }
    .stat-row { grid-template-columns: repeat(2, 1fr); }
    .showcase h2 { font-size: 28px; }
    .cta h2 { font-size: 26px; }
    section { padding: 60px 0; }
}