:root {
    --bg: #0b1220;
    --card: #121a2b;
    --text: #e7ecff;
    --muted: #aab4d6;
    --accent: #7c5cff;
    --accent2: #2fe4ab;
    --line: rgba(255, 255, 255, .10);
    --shadow: 0 14px 40px rgba(0, 0, 0, .35);
    --radius: 18px;
    --max: 1080px;
    --pad: clamp(16px, 3vw, 28px);
    --h1: clamp(28px, 4.2vw, 44px);
    --h2: clamp(20px, 2.6vw, 28px);
    --p: 16px;
}

* {
    box-sizing: border-box
}

html,
body {
    height: 100%
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
    background:
        radial-gradient(1200px 600px at 20% 0%, rgba(124, 92, 255, .25), transparent 60%),
        radial-gradient(900px 600px at 80% 10%, rgba(47, 228, 171, .18), transparent 55%),
        linear-gradient(180deg, #070b14, var(--bg));
    color: var(--text);
    line-height: 1.6;
}

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

.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--pad)
}

.nav {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(10px);
    background: rgba(11, 18, 32, .55);
    border-bottom: 1px solid var(--line);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0
}

.brand {
    display: flex;
    gap: 10px;
    align-items: center;
    font-weight: 800
}

.logo {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 10px 30px rgba(124, 92, 255, .25);
}

.nav-links {
    display: flex;
    gap: 18px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end
}

.nav-links a {
    color: var(--muted);
    font-weight: 600;
    font-size: 14px
}

.nav-links a:hover {
    color: var(--text)
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, .14);
    background: rgba(255, 255, 255, .06);
    color: var(--text);
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 10px 22px rgba(0, 0, 0, .25);
    transition: transform .08s ease, background .2s ease;
    white-space: nowrap;
}

.btn:hover {
    background: rgba(255, 255, 255, .10)
}

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

.btn.primary {
    border: none;
    background: linear-gradient(135deg, var(--accent), #4b9cff);
}

.btn.primary:hover {
    filter: brightness(1.05)
}

header.hero {
    padding: 54px 0 26px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.25fr .9fr;
    gap: 22px;
    align-items: stretch;
}

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr
    }
}

.hero-card {
    background: rgba(18, 26, 43, .7);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 26px;
    overflow: hidden;
    position: relative;
}

.badge {
    display: inline-flex;
    align-items: center; gap: 8px;
    padding: 8px 12px; border-radius: 999px;
    background: rgba(124, 92, 255, .15);
    border: 1px solid rgba(124, 92, 255, .35);
    color: var(--text);
    font-weight: 800;
    font-size: 13px;
    margin-bottom: 14px;
}

.badge .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent2);
    box-shadow: 0 0 0 4px rgba(47, 228, 171, .12);
}

h1 {
    font-size: var(--h1);
    line-height: 1.15;
    margin: 10px 0 10px
}

.lead {
    color: var(--muted);
    font-size: 16px;
    margin: 0 0 18px
}

.cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 14px
}

.mini {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 18px;
}

@media (max-width: 520px) {
    .mini {
        grid-template-columns: 1fr
    }
}

.mini .pill {
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .05);
    color: var(--muted);
    font-weight: 700;
    font-size: 14px;
}

.mini .pill b {
    color: var(--text)
}

.mc-preview {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.mock {
    border-radius: 16px;
    border: 1px solid var(--line);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02)),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .05) 0 22px, rgba(255, 255, 255, 0) 22px 44px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, .03) 0 22px, rgba(255, 255, 255, 0) 22px 44px);
    padding: 18px;
    min-height: 210px;
    position: relative;
    overflow: hidden;
}

.mock:before {
    content: "";
    position: absolute;
    inset: -120px;
    background: radial-gradient(circle at 30% 20%, rgba(47, 228, 171, .20), transparent 55%),
        radial-gradient(circle at 80% 65%, rgba(124, 92, 255, .22), transparent 58%);
    transform: rotate(12deg);
}

.mock>* {
    position: relative
}

.mock h3 {
    margin: 0 0 8px;
    font-size: 18px
}

.mock ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted)
}

section {
    padding: 26px 0;
}

.section-title {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 14px;
}

h2 {
    font-size: var(--h2);
    margin: 0
}

.sub {
    color: var(--muted);
    margin: 0;
    font-size: 14px
}

.grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 14px;
}

.card {
    grid-column: span 4;
    padding: 18px;
    border-radius: var(--radius);
    background: rgba(18, 26, 43, .7);
    border: 1px solid var(--line);
    box-shadow: 0 12px 30px rgba(0, 0, 0, .25);
}

.card h3 {
    margin: 0 0 6px;
    font-size: 16px
}

.card p {
    margin: 0;
    color: var(--muted);
    font-size: 14px
}

@media (max-width: 900px) {
    .card {
        grid-column: span 6
    }
}

@media (max-width: 560px) {
    .card {
        grid-column: span 12
    }
}

.steps .card {
    grid-column: span 6
}

@media (max-width: 860px) {
    .steps .card {
        grid-column: span 12
    }
}

.price {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.price .plan {
    flex: 1 1 240px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: rgba(18, 26, 43, .7);
    padding: 18px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, .25);
    position: relative;
    overflow: hidden;
}

.plan.featured {
    border-color: rgba(47, 228, 171, .35);
    box-shadow: 0 18px 44px rgba(47, 228, 171, .08), 0 16px 40px rgba(0, 0, 0, .35);
}

.plan .tag {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(47, 228, 171, .14);
    border: 1px solid rgba(47, 228, 171, .35);
    color: var(--text);
    font-weight: 800;
    font-size: 12px;
    margin-bottom: 10px;
}

.plan h3 {
    margin: 6px 0 2px
}

.plan .money {
    font-size: 22px;
    font-weight: 900;
    margin: 8px 0
}

.plan ul {
    margin: 10px 0 0;
    padding-left: 18px;
    color: var(--muted)
}

.plan li {
    margin: 6px 0
}

.faq details {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, .04);
}

.faq details+details {
    margin-top: 10px
}

.faq summary {
    cursor: pointer;
    font-weight: 800
}

.faq p {
    margin: 8px 0 0;
    color: var(--muted)
}

.contact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

@media (max-width: 900px) {
    .contact {
        grid-template-columns: 1fr
    }
}

form {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(18, 26, 43, .7);
    box-shadow: 0 12px 30px rgba(0, 0, 0, .25);
    padding: 18px;
}

label {
    display: block;
    font-weight: 800;
    margin: 10px 0 6px;
    font-size: 14px
}

input,
textarea {
    width: 100%;
    padding: 12px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, .14);
    background: rgba(0, 0, 0, .18);
    color: var(--text);
    outline: none;
}

textarea {
    min-height: 120px;
    resize: vertical
}

.hint {
    color: var(--muted);
    font-size: 13px;
    margin-top: 10px
}

footer {
    border-top: 1px solid var(--line);
    margin-top: 22px;
    padding: 22px 0 30px;
    color: var(--muted);
    font-size: 13px;
}

.footer-grid {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
}

.small {
    font-size: 12px;
    color: rgba(170, 180, 214, .85)
}

.kicker {
    color: rgba(231, 236, 255, .9);
    font-weight: 800;
}