:root{
  --blue:#3976f6;--blue-soft:#eaf1ff;--ink:#101828;--muted:#667085;--line:#e6eaf0;
  --paper:#f7fbff;--white:#fff;--radius:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans KR",-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.5;overflow-x:hidden}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.02em}
p{margin:0}
button{font:inherit;cursor:pointer}
.mobile-break{display:none}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:18px 6vw;background:rgba(247,251,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;font-size:22px;font-weight:900;color:var(--ink)}
.brand span{color:var(--blue)}
.brand i{width:8px;height:8px;border-radius:50%;background:var(--blue);margin-left:6px}
.closing-brand,.footer-brand{font-size:28px;font-weight:900}
.closing-brand span,.footer-brand span{color:var(--blue)}
header nav{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:700;color:#475268}
.nav-cta{background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-weight:700}

/* ---------- buttons ---------- */
.button{display:inline-flex;align-items:center;gap:10px;padding:15px 24px;border-radius:999px;font-weight:800;font-size:15px}
.button.primary{background:var(--blue);color:#fff;box-shadow:0 14px 30px rgba(57,118,246,.32)}
.button.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}

/* ---------- hero ---------- */
.hero{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:4vw;padding:70px 6vw 90px;max-width:1280px;margin:0 auto}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--blue)}
.eyebrow span{width:22px;height:2px;background:var(--blue)}
.hero h1{font-size:clamp(38px,4.6vw,58px);line-height:1.14;margin:18px 0}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero-description{color:var(--muted);font-size:17px;line-height:1.7}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.helper{margin-top:20px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px}
.helper i{color:#1aa15e;font-style:normal}

.hero-visual{position:relative;display:grid;place-items:center;min-height:520px}
.orb{position:absolute;border-radius:50%;filter:blur(2px);opacity:.55}
.orb-one{width:220px;height:220px;background:radial-gradient(circle,#bcd4ff,transparent 70%);top:-10px;right:10px}
.orb-two{width:180px;height:180px;background:radial-gradient(circle,#ffd9c2,transparent 70%);bottom:0;left:0}
.phone-card{position:relative;z-index:2;width:272px;background:#fff;border-radius:30px;padding:26px 24px 24px;box-shadow:0 30px 70px rgba(16,24,40,.16);border:1px solid #eef1f6}
.phone-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.mini-brand{font-weight:900;font-size:13px;color:var(--muted)}
.available{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:800;color:#1aa15e}
.available i{width:7px;height:7px;border-radius:50%;background:#1aa15e}
.avatar{width:58px;height:58px;border-radius:16px;background:linear-gradient(135deg,#3976f6,#7aa6ff);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;margin-bottom:16px}
.company{font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--blue);margin-bottom:6px}
.phone-card h2{font-size:26px;margin-bottom:2px}
.role{color:var(--muted);font-size:14px;margin-bottom:20px}
.quick-contact{display:flex;gap:10px;margin-bottom:18px}
.quick-contact span{flex:1;display:flex;align-items:center;gap:6px;justify-content:center;background:var(--blue-soft);color:var(--blue);font-weight:700;font-size:12px;padding:10px 0;border-radius:12px}
.phone-card button{width:100%;border:0;background:var(--ink);color:#fff;padding:14px 0;border-radius:14px;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;gap:8px}
.qr-float{position:absolute;z-index:3;right:-14px;top:36px;background:#fff;border-radius:18px;padding:14px;box-shadow:0 18px 40px rgba(16,24,40,.14);text-align:center}
.qr-grid{width:56px;height:56px;border-radius:8px;background:
  repeating-linear-gradient(90deg,#101828 0 6px,transparent 6px 12px),
  repeating-linear-gradient(0deg,#101828 0 6px,transparent 6px 12px);
  background-blend-mode:multiply;background-color:#fff;opacity:.85}
.qr-float span{display:block;margin-top:6px;font-size:9px;font-weight:800;letter-spacing:.08em;color:var(--muted)}
.tap-note{position:absolute;z-index:3;left:-10px;bottom:30px;background:#101828;color:#fff;font-size:12px;font-weight:700;padding:10px 16px;border-radius:999px;display:flex;align-items:center;gap:8px;box-shadow:0 16px 30px rgba(16,24,40,.25)}
.tap-note span{color:#5fe08a}

/* ---------- section heading ---------- */
.section-heading{max-width:1280px;margin:0 auto;padding:0 6vw}
.section-heading p{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--blue)}
.section-heading h2{font-size:clamp(28px,3.4vw,38px);line-height:1.25;margin-top:10px}
.section-heading.centered{text-align:center}
.section-heading.centered span{display:block;margin-top:12px;color:var(--muted);font-size:15px}

/* ---------- how it works ---------- */
.how{padding:40px 6vw 100px}
.steps{list-style:none;margin:56px auto 0;padding:0;max-width:1280px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.steps li{position:relative;background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px 26px}
.step-number{position:absolute;top:26px;right:26px;font-size:13px;font-weight:800;color:#c7cedb}
.step-icon{width:52px;height:52px;border-radius:16px;background:var(--blue-soft);margin-bottom:22px;position:relative}
.step-icon.qr-icon{background-image:
  repeating-linear-gradient(90deg,#3976f6 0 5px,transparent 5px 10px),
  repeating-linear-gradient(0deg,#3976f6 0 5px,transparent 5px 10px);
  background-blend-mode:multiply;background-color:var(--blue-soft);background-size:cover;border-radius:14px}
.step-icon.profile-icon i{position:absolute;left:16px;top:14px;width:20px;height:20px;border-radius:50%;background:var(--blue);box-shadow:0 26px 0 -6px var(--blue-soft)}
.step-icon.save-icon{display:grid;place-items:center;color:var(--blue);font-weight:900;font-size:20px}
.steps h3{font-size:19px;margin-bottom:10px}
.steps p{color:var(--muted);font-size:14px;line-height:1.7}

/* ---------- samples ---------- */
.samples{padding:20px 6vw 110px}
.sample-tabs{max-width:640px;margin:40px auto 0;display:flex;gap:8px;background:#eef2f8;padding:6px;border-radius:999px;overflow-x:auto}
.sample-tabs button{flex:1;white-space:nowrap;padding:11px 14px;border:0;border-radius:999px;background:transparent;font-weight:700;font-size:13px;color:var(--muted)}
.sample-tabs button[aria-selected="true"]{background:#fff;color:var(--ink);box-shadow:0 8px 18px rgba(16,24,40,.1)}
.sample-stage{max-width:1000px;margin:48px auto 0;display:grid;grid-template-columns:auto 1fr;gap:60px;align-items:center;justify-content:center}
.sample-description{max-width:340px}
.sample-description #sampleIndex{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--blue)}
.sample-description h3{font-size:26px;margin:12px 0 10px}
.sample-description p{color:var(--muted);font-size:15px;line-height:1.75}
.sample-arrows{display:flex;gap:10px;margin-top:26px}
.sample-arrows button{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:16px;color:var(--ink)}
.sample-arrows button:hover{background:var(--blue-soft);border-color:var(--blue)}

/* shared phone-frame chrome for every sample card */
.sample-phone{position:relative;width:272px;min-height:400px;border-radius:32px;overflow:hidden;box-shadow:0 30px 60px rgba(16,24,40,.18);background:#fff;display:flex;flex-direction:column}
.sample-phone[hidden]{display:none}

/* --- 01 Classic --- */
.classic-card header{display:flex;align-items:center;gap:6px;padding:22px 22px 0;font-size:11px;font-weight:800;color:#1aa15e}
.classic-card .dot{width:7px;height:7px;border-radius:50%;background:#1aa15e}
.classic-card .card-body{padding:18px 22px 22px;flex:1}
.classic-card .co{display:block;font-size:11px;font-weight:800;letter-spacing:.08em;color:#3976f6;margin-bottom:14px}
.classic-card small{display:block;font-size:10px;font-weight:800;letter-spacing:.12em;color:#9aa4b2}
.classic-card h3{font-size:26px;margin:6px 0 2px}
.classic-card p{color:#667085;font-size:13px;margin-bottom:18px}
.classic-card .contact-pills{display:flex;gap:8px}
.classic-card .contact-pills span{flex:1;display:flex;align-items:center;justify-content:center;gap:5px;background:#eaf1ff;color:#3976f6;font-size:11px;font-weight:700;padding:10px 0;border-radius:11px}
.classic-card footer{padding:16px 22px;background:#101828;color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:8px}

/* --- 02 Minimal (charcoal) --- */
.minimal-card header{display:flex;align-items:center;justify-content:space-between;padding:20px 22px 0;background:#1d211f}
.minimal-card .co{font-size:10px;font-weight:800;letter-spacing:.1em;color:#c7d0cb}
.minimal-card .dot{width:7px;height:7px;border-radius:50%;background:#7fd9a4}
.minimal-card .card-top{background:#1d211f;color:#fff;padding:16px 22px 26px}
.minimal-card .card-top small{display:block;font-size:10px;font-weight:800;letter-spacing:.14em;color:#93a39a;margin-bottom:8px}
.minimal-card .card-top h3{font-size:26px;color:#fff;margin-bottom:2px}
.minimal-card .card-top p{color:#b7c2bc;font-size:13px}
.minimal-card .card-body{flex:1;background:#f3f7f4;padding:20px 22px}
.minimal-card .minimal-row{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:#22302a;padding:12px 0;border-bottom:1px solid #dfe7e2}
.minimal-card .minimal-row span{width:18px;height:18px;border-radius:50%;background:#1d211f;color:#fff;font-size:9px;font-weight:800;display:grid;place-items:center}
.minimal-card footer{padding:16px 22px;background:#101828;color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:8px}

/* --- 03 Corporate (navy) --- */
.corporate-card{flex-direction:row}
.corp-side{writing-mode:vertical-rl;text-orientation:mixed;width:34px;background:#14243a;color:#c9a24b;font-size:10px;font-weight:800;letter-spacing:.16em;display:flex;align-items:center;justify-content:center;border-right:3px solid #c9a24b}
.corp-main{flex:1;display:flex;flex-direction:column;padding:24px 18px 0}
.corp-main .co{font-size:12px;font-weight:800;color:#14243a;margin-bottom:10px}
.corp-main small{display:block;font-size:10px;font-weight:800;letter-spacing:.08em;color:#c9a24b;margin-bottom:10px}
.corp-main h3{font-size:24px;color:#14243a;margin-bottom:2px}
.corp-main p{color:#687589;font-size:12px;margin-bottom:14px}
.corp-main .corp-row{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:#28374d;padding:8px 0;border-top:1px solid #e2e7ee}
.corp-main .corp-row span{color:#c9a24b;font-weight:800;font-size:11px;width:14px}
.corporate-card footer{position:absolute;left:34px;right:0;bottom:0;padding:14px 18px;background:#14243a;color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:8px}
.corporate-card .corp-main{padding-bottom:52px}

/* --- 04 Photo profile --- */
.photo-card{padding:0}
.photo-visual{position:relative;height:220px;background:linear-gradient(155deg,#f3a26a,#c96a4c 55%,#5b3a34);display:flex;align-items:flex-start;justify-content:flex-end;padding:18px}
.photo-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,#1c130fdd,transparent 55%)}
.ph-badge{position:relative;z-index:1;display:inline-flex;align-items:center;gap:6px;background:#fff;color:#5b3a34;font-size:10px;font-weight:800;padding:6px 10px;border-radius:999px}
.ph-badge i{width:6px;height:6px;border-radius:50%;background:#1aa15e}
.photo-overlay{position:relative;margin-top:-56px;padding:0 22px 18px;color:#fff;z-index:1}
.photo-overlay small{display:block;font-size:10px;font-weight:800;letter-spacing:.12em;color:#ffd9c2;margin-bottom:6px}
.photo-overlay h3{font-size:24px;margin-bottom:2px}
.photo-overlay p{font-size:12px;color:#f3d9cd}
.photo-card footer{margin-top:auto;padding:16px 22px;background:#101828;color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:8px}

/* --- 05 Bold type --- */
.bold-card{background:#111827}
.bold-card header{display:flex;align-items:center;justify-content:space-between;padding:20px 22px 0}
.bold-card .co{font-size:10px;font-weight:800;letter-spacing:.1em;color:#ffb199}
.bold-card .dot{width:7px;height:7px;border-radius:50%;background:#35d8ff}
.bold-initials{position:absolute;left:-10px;top:60px;font-size:120px;font-weight:900;line-height:.8;color:transparent;-webkit-text-stroke:1px #ffffff26;
  background:repeating-linear-gradient(45deg,#ff5a36 0 18px,#35d8ff 18px 36px);-webkit-background-clip:text;background-clip:text;opacity:.9;z-index:0}
.bold-card .card-body{position:relative;z-index:1;padding:64px 22px 20px;flex:1}
.bold-card small{display:block;font-size:10px;font-weight:800;letter-spacing:.12em;color:#9aa4c2}
.bold-card h3{font-size:30px;color:#fff;margin:8px 0 2px}
.bold-card p{color:#c6cbe0;font-size:13px}
.bold-card footer{position:relative;z-index:1;padding:16px 22px;background:#ff5a36;color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:8px}

/* ---------- benefits ---------- */
.benefits{max-width:1280px;margin:0 auto;padding:0 6vw 110px;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.benefits article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px 26px}
.benefits b{font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--blue)}
.benefits h3{font-size:19px;margin:14px 0 10px}
.benefits p{color:var(--muted);font-size:14px;line-height:1.7}

/* ---------- closing ---------- */
.closing{text-align:center;padding:100px 6vw;background:var(--ink);color:#fff;border-radius:40px 40px 0 0}
.closing-brand{opacity:.9;margin-bottom:14px}
.closing>p:not(.closing-brand){font-size:12px;font-weight:800;letter-spacing:.2em;color:#8ea0c8}
.closing h2{font-size:clamp(28px,4vw,44px);margin:16px 0 34px;line-height:1.3}
.closing h2 em{font-style:normal;color:#7aa6ff}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#c4cde0;text-align:center;padding:0 6vw 50px}
.footer-brand{margin-bottom:10px}
.site-footer p{font-size:13px}
.site-footer .copyright{display:block;margin-top:14px;font-size:12px;color:#7c88a3}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);background:#101828;color:#fff;font-size:13px;font-weight:700;padding:13px 22px;border-radius:999px;box-shadow:0 16px 40px rgba(16,24,40,.3);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:50}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .hero{grid-template-columns:1fr;padding-top:50px}
  .hero-visual{order:-1;min-height:460px}
  .steps{grid-template-columns:1fr}
  .benefits{grid-template-columns:1fr}
  .sample-stage{grid-template-columns:1fr;justify-items:center;text-align:center}
  .sample-description{max-width:280px}
  .sample-arrows{justify-content:center}
}
@media(max-width:520px){
  .site-header{padding:16px 5vw}
  header nav{gap:14px}
  .mobile-break{display:inline}
  .hero{padding:40px 5vw 70px}
  .hero-visual{min-height:420px;transform:scale(.92)}
  .qr-float{right:-10px;top:-38px;padding:9px}
  .qr-grid{width:44px;height:44px}
  .tap-note{left:6px;bottom:16px;font-size:11px;padding:9px 14px}
  .how,.samples{padding-left:5vw;padding-right:5vw}
  .section-heading{padding:0}
  .closing{border-radius:28px 28px 0 0;padding:70px 5vw}
}