:root{
    /* Clean / sanitary palette */
    --bg: #f6f9fc;
    --bg2:#eef3f8;
    --card:#ffffff;
    --card2:#ffffff;
    --text:#0b1220;
    --muted:#5b677a;
    --line: rgba(15, 23, 42, .10);

    /* Accent: fresh blue + cyan */
    --brand:#2563eb;
    --brand2:#06b6d4;
    --shadow: 0 18px 55px rgba(15, 23, 42, .08);

    --radius: 18px;
    --radius2: 24px;

    --container: 1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
    margin:0;
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Noto Sans KR", Arial, sans-serif;
    background:
            radial-gradient(1200px 650px at 15% 5%, rgba(37,99,235,.12), transparent 60%),
            radial-gradient(900px 520px at 85% 25%, rgba(6,182,212,.10), transparent 55%),
            linear-gradient(180deg, var(--bg), var(--bg2));
    color:var(--text);
    line-height:1.55;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
code{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}

.container{
    width:min(var(--container), calc(100% - 40px));
    margin-inline:auto;
}

.muted{color:var(--muted)}
.grad{
    background: linear-gradient(90deg, var(--brand), var(--brand2));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
}

.site-header{
    position:sticky;
    top:0;
    z-index:50;
    backdrop-filter: blur(10px);
    background: rgba(246,249,252,.72);
    border-bottom:1px solid var(--line);
}

.nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:14px 0;
    gap:16px;
}

.brand{
    display:flex;
    align-items:center;
    gap:12px;
}
.brand-mark{
    width:38px;height:38px;
    border-radius:12px;
    background:
            radial-gradient(circle at 30% 30%, rgba(255,255,255,.30), transparent 55%),
            linear-gradient(135deg, var(--brand), var(--brand2));
    box-shadow: 0 10px 30px rgba(124,92,255,.25);
}
.brand-text{
    display:flex;
    flex-direction:column;
    gap:2px;
    font-size:14px;
}
.brand-text strong{font-size:15px}

.nav-links{
    display:flex;
    align-items:center;
    gap:14px;
}
.nav-links a{
    padding:10px 10px;
    border-radius:12px;
    color:rgba(11,18,32,.88);
}
.nav-links a:hover{
    background: rgba(15,23,42,.04);
}

.nav-toggle{
    display:none;
    width:44px;height:44px;
    border:1px solid rgba(15,23,42,.12);
    border-radius:14px;
    background: rgba(255,255,255,.70);
    color:var(--text);
}
.nav-toggle span{
    display:block;
    height:2px;
    margin:7px 10px;
    background: rgba(11,18,32,.75);
    border-radius:10px;
}

.mobile-nav{
    border-bottom:1px solid var(--line);
    background: rgba(246,249,252,.92);
}
.mobile-nav-inner{
    display:grid;
    gap:10px;
    padding:14px 0 18px;
}
.mobile-nav-inner a{
    padding:12px 12px;
    border-radius:14px;
    background: rgba(255,255,255,.80);
    border:1px solid rgba(15,23,42,.10);
}

.hero{
    position:relative;
    padding:56px 0 24px;
}
.hero-grid{
    display:grid;
    grid-template-columns: 1.15fr .85fr;
    gap:28px;
    align-items:start;
}
.pill{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:10px 12px;
    border-radius:999px;
    border:1px solid rgba(15,23,42,.10);
    background: rgba(255,255,255,.72);
    width:fit-content;
}
.pill .dot{
    width:8px;height:8px;border-radius:99px;
    background: linear-gradient(135deg, var(--brand), var(--brand2));
    box-shadow: 0 0 0 4px rgba(124,92,255,.16);
}

.hero h1{
    margin:16px 0 12px;
    font-size: clamp(30px, 4vw, 46px);
    line-height:1.15;
    letter-spacing:-0.02em;
}
.lead{
    margin:0 0 18px;
    color: rgba(231,236,246,.84);
    font-size: 16px;
}

.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0 14px}
.hero-badges{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    margin-top:12px;
}
.badge{
    display:flex;
    flex-direction:column;
    gap:4px;
    padding:12px 14px;
    border-radius:16px;
    border:1px solid rgba(15,23,42,.10);
    background: rgba(255,255,255,.70);
}
.badge strong{font-size:14px}

.card{
    border:1px solid var(--line);
    background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.86));
    border-radius: var(--radius2);
    box-shadow: var(--shadow);
}

.hero-card .card{padding:18px}
.card-head h2{margin:0 0 6px;font-size:18px}
.card-head p{margin:0}

.card-body{margin-top:14px}
.info-row{
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:12px;
    padding:10px 0;
    border-bottom:1px solid rgba(15,23,42,.08);
}
.info-row:last-of-type{border-bottom:none}
.info-label{color:var(--muted);font-size:13px}
.info-value{font-size:14px}

.divider{height:1px;background: rgba(15,23,42,.10); margin:14px 0}

.quick-actions{display:grid;gap:10px}
.two-col{display:grid;grid-template-columns:1fr 1fr; gap:10px}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    padding:12px 14px;
    border-radius: 16px;
    border:1px solid rgba(37,99,235,.20);
    background: linear-gradient(135deg, rgba(37,99,235,.98), rgba(6,182,212,.92));
    color:#ffffff;
    font-weight:800;
    cursor:pointer;
    transition: transform .12s ease, filter .12s ease, background .12s ease;
}
.btn:hover{transform: translateY(-1px); filter: brightness(1.02)}
.btn:active{transform: translateY(0px)}
.btn[disabled]{opacity:.55; cursor:not-allowed; transform:none}

.btn-ghost{
    background: rgba(255,255,255,.70);
    color: var(--text);
    border:1px solid rgba(15,23,42,.12);
}
.btn-ghost:hover{background: rgba(255,255,255,.92)}

.btn-sm{padding:10px 12px; border-radius:14px; font-weight:700}
.btn-block{width:100%}

.section{
    padding:56px 0;
}
.section.alt{
    background: linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,0));
    border-top: 1px solid rgba(15,23,42,.08);
    border-bottom: 1px solid rgba(15,23,42,.08);
}
.section-head{
    margin-bottom:18px;
}
.section-head h2{
    margin:0 0 8px;
    font-size:26px;
    letter-spacing:-0.01em;
}
.section-head p{margin:0}

.grid-3{
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap:14px;
}
.feature{padding:18px}
.feature h3{margin:0 0 8px}
.feature p{margin:0 0 12px}

.check{
    list-style:none;
    padding:0;margin:0;
    display:grid; gap:8px;
}
.check li{
    position:relative;
    padding-left:22px;
    color: rgba(11,18,32,.88);
}
.check li::before{
    content:"✓";
    position:absolute; left:0; top:0;
    color: rgba(34,211,238,.95);
    font-weight:900;
}

.steps{
    display:grid;
    grid-template-columns: repeat(4, 1fr);
    gap:14px;
}
.step{padding:18px}
.step-no{
    width:44px;height:44px;
    border-radius:16px;
    display:flex;align-items:center;justify-content:center;
    background: rgba(37,99,235,.10);
    border:1px solid rgba(37,99,235,.18);
    color: rgba(11,18,32,.90);
    font-weight:800;
    margin-bottom:10px;
}
.step h3{margin:0 0 8px}
.step p{margin:0}

.gallery{
    display:grid;
    grid-template-columns: repeat(4, 1fr);
    gap:14px;
}
.shot{overflow:hidden}
.ph{
    height:160px;
    background:
            radial-gradient(500px 200px at 20% 20%, rgba(37,99,235,.16), transparent 55%),
            radial-gradient(500px 200px at 80% 40%, rgba(6,182,212,.12), transparent 60%),
            rgba(255,255,255,.70);
    border-bottom:1px solid rgba(15,23,42,.08);
}
.shot figcaption{
    padding:14px 14px 16px;
    display:flex;
    flex-direction:column;
    gap:4px;
}
.shot strong{font-size:14px}

.contact{padding-bottom:72px}
.contact-grid{
    display:grid;
    grid-template-columns: 1.05fr .95fr;
    gap:14px;
    align-items:start;
}
.contact-cards{
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap:14px;
    margin-top:14px;
}
.contact-card{padding:16px}
.contact-card h3{margin:0 0 6px}
.contact-card p{margin:0 0 12px}

.copy-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:10px 10px;
    border:1px solid rgba(15,23,42,.10);
    border-radius:16px;
    background: rgba(255,255,255,.75);
    margin:10px 0 10px;
}
.copy-row code{color: rgba(11,18,32,.92); font-size:13px; word-break:break-all}

.form-card{padding:18px}
.form-card h3{margin:0 0 6px}
.form-card p{margin:0 0 14px}

.form{display:grid; gap:12px}
label span{display:block; font-size:13px; color: var(--muted); margin-bottom:6px}
input, textarea{
    width:100%;
    padding:12px 12px;
    border-radius:16px;
    border:1px solid rgba(15,23,42,.12);
    background: rgba(255,255,255,.90);
    color: rgba(11,18,32,.95);
    outline:none;
}
input:focus, textarea:focus{
    border-color: rgba(6,182,212,.45);
    box-shadow: 0 0 0 4px rgba(6,182,212,.16);
}
.hint{margin:0; font-size:12.5px}

.site-footer{
    border-top:1px solid rgba(15,23,42,.10);
    background: rgba(246,249,252,.85);
}
.footer-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding:18px 0;
}
.footer-links{display:flex;gap:12px}
.footer-links a{color: rgba(11,18,32,.78)}
.footer-links a:hover{text-decoration:underline}

.toast{
    position:fixed;
    left:50%;
    bottom:20px;
    transform: translateX(-50%);
    background: rgba(255,255,255,.92);
    border:1px solid rgba(15,23,42,.12);
    border-radius: 16px;
    padding:12px 14px;
    box-shadow: var(--shadow);
    color: rgba(11,18,32,.90);
    z-index:100;
    min-width: 220px;
    text-align:center;
}

.bg-glow{
    position:absolute;
    inset:-80px -40px auto -40px;
    height:260px;
    background: radial-gradient(400px 200px at 30% 30%, rgba(37,99,235,.16), transparent 60%),
    radial-gradient(420px 220px at 70% 50%, rgba(6,182,212,.10), transparent 60%);
    filter: blur(10px);
    pointer-events:none;
}

/* Responsive */
@media (max-width: 980px){
    .hero-grid{grid-template-columns: 1fr; }
    .grid-3{grid-template-columns: 1fr}
    .steps{grid-template-columns: 1fr 1fr}
    .gallery{grid-template-columns: 1fr 1fr}
    .contact-grid{grid-template-columns:1fr}
    .contact-cards{grid-template-columns:1fr}
    .nav-links{display:none}
    .nav-toggle{display:inline-flex; align-items:center; justify-content:center}
}
@media (max-width: 520px){
    .two-col{grid-template-columns:1fr}
    .steps{grid-template-columns:1fr}
    .gallery{grid-template-columns:1fr}
}