@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', sans-serif;
  color: #14141c;
  background: #fff;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { display: block; max-width: 100%; }
input, select, textarea { font-family: inherit; }

:root {
  --brand: #0074e4;
  --brand-dark: #005bb8;
  --nfc: #2e97ff;
  --nfc-dark: #0056b3;
  --ink: #14141c;
  --gray-700: #4a4a58;
  --gray-500: #7a7a8c;
  --gray-300: #d8d9e3;
  --gray-100: #f2f3f8;
  --bg-soft: #f7f8fc;
  --radius: 18px;
  --container: 1180px;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
section { position: relative; }
#smart-namecard, #nfc-card, #portfolio, #process, #faq, #inquiry, #goods-entry, #contact, #event { scroll-margin-top: 88px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 700; letter-spacing: .02em;
  color: var(--nfc); background: rgba(0,116,228,.08);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 16px;
}
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; letter-spacing: -.02em; line-height: 1.35; }
.section-head p { margin-top: 14px; color: var(--gray-500); font-size: 16px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 12px; font-weight: 700; font-size: 15px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(120deg, var(--brand), var(--nfc)); color: #fff; box-shadow: 0 10px 24px -8px rgba(0,116,228,.55); }
.btn-primary:hover { box-shadow: 0 14px 30px -6px rgba(0,116,228,.6); }
.btn-ghost { background: #fff; color: var(--ink); border: 1.5px solid var(--gray-300); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-block { width: 100%; }
.btn-lg { padding: 17px 30px; font-size: 16px; }

/* ---------- Header ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(255,255,255,.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent; transition: border-color .2s ease, box-shadow .2s ease;
}
.header.scrolled { border-color: var(--gray-100); box-shadow: 0 4px 20px -12px rgba(20,20,28,.15); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 12px; }
.logo { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 19px; white-space: nowrap; flex-shrink: 0; }
.logo img { height: 34px; width: auto; flex-shrink: 0; }
.nav-desktop { display: flex; align-items: center; gap: 36px; }
.nav-desktop a { font-size: 15px; font-weight: 600; color: var(--gray-700); }
.nav-desktop a:hover { color: var(--ink); }
.nav-desktop a.is-nfc { color: var(--nfc-dark); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.header-actions .btn { padding: 11px 20px; font-size: 14px; }
.btn-kakao { background: #FEE500; color: #191919; }
.btn-kakao:hover { background: #fada00; }
.menu-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
  content: ''; display: block; width: 20px; height: 2px; background: var(--ink); position: relative; transition: .2s;
}
.menu-toggle span::before { position: absolute; top: -6px; }
.menu-toggle span::after { position: absolute; top: 6px; }

.mobile-nav { display: none; position: fixed; inset: 72px 0 0 0; background: #fff; z-index: 190; padding: 28px 24px; overflow-y: auto; }
.mobile-nav.open { display: block; }
.mobile-nav a { display: block; padding: 16px 4px; font-size: 17px; font-weight: 700; border-bottom: 1px solid var(--gray-100); }
.mobile-nav .btn { margin-top: 24px; }

/* ---------- Hero ---------- */
.hero { padding: 168px 0 100px; background: radial-gradient(1100px 500px at 80% -10%, rgba(0,116,228,.10), transparent 60%), radial-gradient(900px 500px at 5% 10%, rgba(0,116,228,.08), transparent 55%); }
.hero .container { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero-thesis { font-size: 16px; font-weight: 700; color: var(--gray-700); margin: 14px 0 16px; }
.hero-thesis strong { color: var(--nfc-dark); font-weight: 800; }
.hero-copy h1 { font-size: clamp(34px, 5vw, 54px); font-weight: 800; letter-spacing: -.03em; line-height: 1.28; }
.hero-copy h1 .grad { background: linear-gradient(120deg, var(--brand), var(--nfc)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-copy p { margin-top: 22px; font-size: 18px; color: var(--gray-700); max-width: 480px; }
.hero-cta { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.hero-tertiary { display: inline-block; margin-top: 16px; font-size: 13.5px; font-weight: 600; color: var(--gray-500); text-decoration: underline; text-underline-offset: 3px; }
.hero-tertiary:hover { color: var(--gray-700); }
.hero-stats { display: flex; gap: 28px; margin-top: 32px; }
.hero-stats div b { display: block; font-size: 22px; font-weight: 800; }
.hero-stats div span { font-size: 13px; color: var(--gray-500); }

.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; min-height: 500px; }
.card-stack { position: relative; width: 460px; height: 460px; }
.stack-card { position: absolute; border-radius: 18px; box-shadow: 0 30px 60px -20px rgba(20,20,40,.45); }
.stack-back {
  width: 210px; top: 0; left: 0; transform: rotate(-19deg);
  z-index: 1; animation: floatCard 5s ease-in-out infinite;
}
.stack-mid {
  width: 220px; top: 10px; right: 0; transform: rotate(15deg);
  z-index: 2; animation: floatCard3 5.6s ease-in-out infinite;
}
.stack-front {
  width: 400px; bottom: 0; left: 50%; margin-left: -200px; transform: rotate(4deg);
  z-index: 3; animation: floatCard2 4.5s ease-in-out infinite;
}
.tap-ping { position: absolute; width: 90px; height: 90px; border-radius: 50%; border: 2px solid rgba(0,116,228,.55); top: 2%; left: 6%; animation: ping 2.2s ease-out infinite; }
.floating-chip {
  position: absolute; background: #fff; border-radius: 14px; padding: 10px 14px; display: flex; align-items: center; gap: 8px;
  box-shadow: 0 14px 30px -12px rgba(20,20,28,.25); font-size: 13px; font-weight: 700; z-index: 4;
}
.floating-chip.c1 { top: -2%; left: -6%; animation: floatChip 5s ease-in-out infinite; }
.floating-chip.c2 { bottom: 4%; right: -8%; animation: floatChip 5.5s ease-in-out infinite reverse; }
.floating-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--nfc); }

@keyframes floatCard { 0%,100%{ transform: rotate(-19deg) translateY(0);} 50%{ transform: rotate(-15deg) translateY(-12px);} }
@keyframes floatCard2 { 0%,100%{ transform: rotate(4deg) translateY(0);} 50%{ transform: rotate(1deg) translateY(-14px);} }
@keyframes floatCard3 { 0%,100%{ transform: rotate(15deg) translateY(0);} 50%{ transform: rotate(11deg) translateY(-10px);} }
@keyframes floatChip { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-12px);} }
@keyframes ping { 0%{ transform: scale(1); opacity:.9 } 100%{ transform: scale(1.12); opacity:0 } }

/* ---------- Trust bar ---------- */
.trust-bar { padding: 40px 0 56px; border-top: 1px solid var(--gray-100); border-bottom: 1px solid var(--gray-100); }
.trust-label { text-align: center; font-size: 12.5px; font-weight: 700; color: var(--gray-500); letter-spacing: .03em; margin-bottom: 20px; }
.logo-marquee { overflow: hidden; margin-bottom: 36px; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.logo-track { display: flex; align-items: center; gap: 24px; width: max-content; animation: marquee 40s linear infinite; }
.logo-chip {
  width: 96px; height: 96px; flex-shrink: 0; border-radius: 22px; padding: 16px;
  display: flex; align-items: center; justify-content: center; transition: transform .2s ease;
}
.logo-chip:hover { transform: translateY(-4px); }
.logo-chip img { width: 100%; height: 100%; object-fit: contain; }
.logo-chip-0 { background: rgba(0,116,228,.10); }
.logo-chip-1 { background: rgba(255,183,0,.14); }
.logo-chip-2 { background: rgba(46,204,113,.12); }
.logo-chip-3 { background: rgba(233,30,99,.10); }
.logo-chip-4 { background: rgba(155,89,182,.10); }
.logo-chip-5 { background: rgba(255,111,0,.12); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.trust-stats { display: flex; justify-content: center; gap: 56px; flex-wrap: wrap; }
.trust-stats div { text-align: center; }
.trust-stats b { display: block; font-size: 22px; font-weight: 800; color: var(--ink); }
.trust-stats span { font-size: 12.5px; color: var(--gray-500); }

/* ---------- NFC spotlight: what it does ---------- */
.nfc-spotlight { padding: 100px 0; background: linear-gradient(180deg, #071633, #0d2c5c); color: #fff; }
.nfc-spotlight .section-head h2, .nfc-spotlight .section-head p { color: #fff; }
.nfc-spotlight .section-head p { color: rgba(255,255,255,.65); }

.usecase-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-bottom: 20px; }
.usecase-item {
  display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px; padding: 12px 20px; font-size: 14px; font-weight: 700;
}
.usecase-item .ico { font-size: 17px; }
.usecase-note { text-align: center; font-size: 13.5px; color: rgba(255,255,255,.55); margin-bottom: 48px; }

.nfc-howto { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; align-items: center; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.09); border-radius: 24px; padding: 40px; }
.nfc-step { text-align: center; padding: 0 16px; }
.nfc-step .icon { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 18px; background: linear-gradient(135deg, var(--brand), var(--nfc)); display: flex; align-items: center; justify-content: center; font-size: 26px; }
.nfc-step h4 { font-weight: 800; font-size: 16px; }
.nfc-step p { margin-top: 8px; font-size: 13.5px; color: rgba(255,255,255,.6); }
.nfc-arrow { text-align: center; color: rgba(255,255,255,.3); font-size: 22px; }

/* ---------- Smart Name Card (main service · SaaS) ---------- */
.smartcard { padding: 96px 0; background: radial-gradient(900px 460px at 85% -10%, rgba(0,116,228,.10), transparent 60%), var(--bg-soft); border-bottom: 1px solid var(--gray-100); }
.smartcard .section-head h2 .grad { background: linear-gradient(120deg, var(--brand), var(--nfc)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.smartcard-cta { display: flex; gap: 12px; justify-content: center; margin-top: 44px; flex-wrap: wrap; }

/* ---------- Value section (section1) ---------- */
.values { padding: 100px 0; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card { border: 1px solid var(--gray-100); border-radius: var(--radius); padding: 32px 28px; transition: box-shadow .2s ease, transform .2s ease; }
.value-card:hover { box-shadow: 0 20px 40px -20px rgba(20,20,28,.18); transform: translateY(-4px); }
.value-card .num { font-size: 14px; font-weight: 800; color: var(--nfc); }
.value-card h3 { margin-top: 14px; font-size: 19px; font-weight: 800; white-space: pre-line; line-height: 1.4; }
.value-card p { margin-top: 12px; color: var(--gray-500); font-size: 14.5px; }

/* ---------- Portfolio ---------- */
.portfolio { padding: 100px 0; }
.pf-filters { display: flex; gap: 10px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap; }
.pf-filters button { padding: 10px 20px; border-radius: 999px; border: 1.5px solid var(--gray-300); font-size: 14px; font-weight: 700; color: var(--gray-700); }
.pf-filters button.active { background: var(--ink); border-color: var(--ink); color: #fff; }
.pf-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pf-card { border-radius: 16px; overflow: hidden; border: 1px solid var(--gray-100); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
.pf-card:hover { transform: translateY(-4px); box-shadow: 0 20px 36px -18px rgba(20,20,28,.2); }
.pf-thumb { aspect-ratio: 1/1; background: var(--gray-100); overflow: hidden; }
.pf-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pf-body { padding: 16px 16px 18px; }
.pf-tag { display: inline-block; font-size: 11px; font-weight: 800; color: var(--nfc-dark); background: rgba(0,116,228,.09); padding: 4px 9px; border-radius: 999px; margin-bottom: 8px; }
.pf-body h4 { font-size: 14px; font-weight: 700; line-height: 1.4; }
.pf-more { text-align: center; margin-top: 40px; }

/* ---------- Portfolio detail modal (case study) ---------- */
.pf-card { cursor: pointer; }
body.pf-locked { overflow: hidden; }

.pf-modal { position: fixed; inset: 0; z-index: 300; display: none; }
.pf-modal.open { display: block; }
.pf-modal-overlay { position: absolute; inset: 0; background: rgba(10,12,24,.62); backdrop-filter: blur(3px); animation: pfFade .2s ease; }
.pf-modal-close {
  position: fixed; top: 18px; right: 18px; z-index: 320; width: 44px; height: 44px; border-radius: 50%;
  background: #fff; color: var(--ink); font-size: 16px; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px -8px rgba(10,12,24,.5);
}
.pf-modal-close:hover { background: var(--gray-100); }
.pf-modal-panel {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: #fff;
  overflow-y: auto; -webkit-overflow-scrolling: touch; animation: pfUp .3s cubic-bezier(.2,.8,.2,1);
}
@media (min-width: 900px) {
  .pf-modal-panel { top: 40px; bottom: 40px; left: 0; right: 0; width: min(920px, calc(100% - 48px)); margin: 0 auto; border-radius: 24px; box-shadow: 0 40px 90px -24px rgba(10,12,24,.55); }
}
@keyframes pfFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pfUp { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }

.pf-d-hero { position: relative; }
.pf-d-hero img { width: 100%; height: clamp(260px, 44vh, 440px); object-fit: cover; display: block; }
.pf-d-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,12,24,.1), rgba(10,12,24,.72)); }
.pf-d-hero-copy { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: 34px clamp(24px,5vw,56px); color: #fff; }
.pf-d-eyebrow { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: .04em; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.3); padding: 6px 13px; border-radius: 999px; margin-bottom: 14px; }
.pf-d-hero-copy h2 { font-size: clamp(23px, 3.4vw, 38px); font-weight: 800; line-height: 1.3; letter-spacing: -.02em; }

.pf-d-wrap { padding: clamp(28px,4vw,42px) clamp(24px,5vw,56px) clamp(40px,5vw,60px); }
.pf-d-meta { display: flex; flex-wrap: wrap; gap: 20px 44px; padding-bottom: 28px; border-bottom: 1px solid var(--gray-100); }
.pf-d-meta .k { font-size: 11.5px; font-weight: 800; letter-spacing: .06em; color: var(--nfc-dark); }
.pf-d-meta .v { margin-top: 7px; font-size: 15px; font-weight: 700; }
.pf-d-tagline { margin-top: 30px; font-size: clamp(19px, 2.3vw, 25px); font-weight: 800; line-height: 1.5; letter-spacing: -.01em; }
.pf-d-body p { margin-top: 17px; font-size: 15.5px; line-height: 1.85; color: var(--gray-700); }
.pf-d-cta { margin-top: 40px; padding: 34px 28px; background: var(--bg-soft); border: 1px solid var(--gray-100); border-radius: 18px; text-align: center; }
.pf-d-cta h3 { font-size: 19px; font-weight: 800; }
.pf-d-cta p { margin-top: 8px; color: var(--gray-500); font-size: 14.5px; }
.pf-d-cta .btn { margin-top: 22px; }

/* ---------- Process ---------- */
.process { padding: 100px 0; background: var(--bg-soft); }
.process-track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.process-step { background: #fff; border-radius: 16px; padding: 26px 18px; text-align: center; position: relative; border: 1px solid var(--gray-100); }
.process-step .badge { width: 40px; height: 40px; margin: 0 auto 14px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--nfc)); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 14px; }
.process-step h4 { font-size: 15px; font-weight: 800; }
.process-step p { margin-top: 8px; font-size: 12.5px; color: var(--gray-500); }
.process-step:not(:last-child)::after { content: ''; position: absolute; top: 39px; right: -18px; width: 20px; height: 2px; background: var(--gray-300); }

.guide-box { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.guide-item { background: #fff; border: 1px solid var(--gray-100); border-radius: 16px; padding: 24px 22px; text-align: center; }
.guide-label { display: inline-block; font-size: 12.5px; font-weight: 800; color: var(--nfc-dark); background: rgba(0,116,228,.08); padding: 5px 12px; border-radius: 999px; margin-bottom: 12px; }
.guide-item p { font-size: 13.5px; color: var(--gray-500); line-height: 1.6; }


/* ---------- FAQ ---------- */
.faq { padding: 100px 0; max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--gray-100); }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 22px 4px; text-align: left; font-size: 16px; font-weight: 700; gap: 20px; }
.faq-q .plus { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--gray-300); display: flex; align-items: center; justify-content: center; font-size: 16px; transition: transform .2s ease; }
.faq-item.open .faq-q .plus { transform: rotate(45deg); background: var(--ink); color: #fff; border-color: var(--ink); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.faq-a p { padding: 0 4px 22px; color: var(--gray-500); font-size: 14.5px; white-space: pre-line; }

/* ---------- Contact hub (문의 종류 선택) ---------- */
.contact-hub { padding: 100px 0; background: var(--bg-soft); }
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.contact-card { display: flex; flex-direction: column; align-items: center; text-align: center; background: #fff; border: 1px solid var(--gray-100); border-radius: var(--radius); padding: 40px 28px; transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease; }
.contact-card:hover { transform: translateY(-4px); box-shadow: 0 24px 44px -22px rgba(20,20,28,.22); border-color: var(--nfc); }
.contact-card .cc-icon { width: 66px; height: 66px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--nfc)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 20px; }
.contact-card h3 { font-size: 18px; font-weight: 800; line-height: 1.35; }
.contact-card p { margin-top: 12px; font-size: 14px; color: var(--gray-500); line-height: 1.6; flex-grow: 1; }
.contact-card .cc-go { margin-top: 18px; font-size: 13.5px; font-weight: 800; color: var(--nfc-dark); }

/* ---------- Event solution ---------- */
.event-sol { padding: 100px 0; }
.event-sol .value-card.ev-highlight { border-color: var(--nfc); background: rgba(0,116,228,.04); box-shadow: 0 0 0 1px var(--nfc) inset; }
.event-sol .value-card.ev-highlight .num { color: var(--nfc-dark); }
.event-cta { display: flex; gap: 12px; justify-content: center; margin-top: 44px; flex-wrap: wrap; }

/* ---------- Inquiry form (goods inquiry) ---------- */
.inquiry { padding: 100px 0 120px; background: linear-gradient(180deg, #fff, var(--bg-soft)); }
.inquiry-head { text-align: center; max-width: 620px; margin: 0 auto 20px; }
.inquiry-head .eyebrow { background: rgba(0,116,228,.08); color: var(--brand); }

.inquiry-form { max-width: 760px; margin: 0 auto; background: #fff; border-radius: 24px; padding: 44px; box-shadow: 0 30px 60px -30px rgba(20,20,28,.18); border: 1px solid var(--gray-100); }
.form-section { padding-top: 32px; margin-top: 24px; border-top: 1px solid var(--gray-100); }
.form-section:first-of-type { padding-top: 0; margin-top: 0; border-top: none; }
.form-step-title { font-size: 20px; font-weight: 800; margin-bottom: 4px; }
.form-step-sub { font-size: 14px; color: var(--gray-500); margin-bottom: 28px; }

.field { margin-bottom: 22px; }
.field label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 9px; }
.field label .req { color: var(--nfc); }
.field input[type=text], .field input[type=tel], .field input[type=email], .field input[type=date], .field textarea {
  width: 100%; padding: 14px 16px; border-radius: 12px; border: 1.5px solid var(--gray-300); font-size: 15px; background: #fff;
  transition: border-color .15s ease;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--nfc); }
.field textarea { resize: vertical; min-height: 100px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.pick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.pick-grid.two { grid-template-columns: repeat(2, 1fr); }
.pick {
  border: 1.5px solid var(--gray-300); border-radius: 14px; padding: 16px 12px; text-align: center; font-size: 13.5px; font-weight: 700;
  position: relative; transition: border-color .15s ease, background .15s ease;
}
.pick:hover { border-color: var(--nfc); }
.pick.selected { border-color: var(--nfc); background: rgba(0,116,228,.06); color: var(--nfc-dark); }
.pick .star { position: absolute; top: -10px; right: -8px; background: var(--nfc); color: #fff; font-size: 10px; font-weight: 800; padding: 3px 8px; border-radius: 999px; z-index: 2; }
.pick small { display: block; margin-top: 4px; font-weight: 500; color: var(--gray-500); font-size: 11.5px; }

.pick-photo { padding: 0; overflow: hidden; text-align: left; border-width: 2px; }
.pick-photo img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; filter: saturate(1.02); }
.pick-photo .pick-label { display: block; padding: 10px 12px 12px; font-size: 13px; font-weight: 700; }
.pick-photo .pick-label small { margin-top: 2px; }
.pick-photo.selected { box-shadow: 0 0 0 2px var(--nfc); }
.pick-photo .star { top: 8px; right: 8px; }
.pick-photo.selected::after {
  content: '✓'; position: absolute; top: 8px; left: 8px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--nfc); color: #fff; font-size: 12px; font-weight: 800; display: flex; align-items: center; justify-content: center; z-index: 2;
}
.pick-hint { font-size: 12px; color: var(--gray-500); margin-top: 10px; }

.upload-box { border: 1.5px dashed var(--gray-300); border-radius: 14px; padding: 26px; text-align: center; font-size: 13.5px; color: var(--gray-500); cursor: pointer; }
.upload-box:hover { border-color: var(--nfc); color: var(--nfc-dark); }
.upload-box input { display: none; }
.upload-filename { margin-top: 8px; font-size: 13px; font-weight: 700; color: var(--ink); }

.inquiry-form .btn-block { margin-top: 8px; }

.form-success { display: none; text-align: center; padding: 30px 0; }
.form-success.show { display: block; }
.form-success .check { width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--nfc)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 28px; margin: 0 auto 20px; }
.form-success h3 { font-size: 20px; font-weight: 800; }
.form-success p { margin-top: 10px; color: var(--gray-500); font-size: 14.5px; }
.form-success .actions { display: flex; gap: 10px; justify-content: center; margin-top: 26px; }

.inquiry-note { max-width: 760px; margin: 20px auto 0; font-size: 12.5px; color: var(--gray-500); text-align: center; }

/* ---------- Contact CTA ---------- */
.cta-band { padding: 90px 0; text-align: center; }
.cta-band h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; }
.cta-band p { margin-top: 12px; color: var(--gray-500); }
.cta-band .btn { margin-top: 26px; }

/* ---------- Footer ---------- */
footer { background: #14141c; color: rgba(255,255,255,.65); padding: 64px 0 32px; }
.footer-top { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand img { height: 30px; margin-bottom: 14px; }
.footer-brand p { font-size: 13px; line-height: 1.9; }
.footer-col h5 { color: #fff; font-size: 14px; font-weight: 800; margin-bottom: 14px; }
.footer-col a, .footer-col span { display: block; font-size: 13px; margin-bottom: 10px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 26px; font-size: 12.5px; flex-wrap: wrap; gap: 12px; }
.footer-social { display: flex; gap: 14px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; }

.back-to-top { position: fixed; bottom: 28px; right: 28px; width: 48px; height: 48px; border-radius: 50%; background: var(--ink); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 24px -10px rgba(20,20,28,.5); opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; z-index: 150; }
.back-to-top.show { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-3px); }

.sticky-cta { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { order: -1; margin-bottom: 20px; min-height: 340px; }
  .value-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .pf-grid { grid-template-columns: repeat(3, 1fr); }
  .process-track { grid-template-columns: repeat(5, 1fr); gap: 10px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 780px) {
  body { padding-bottom: 64px; }
  .back-to-top { bottom: 84px; width: 42px; height: 42px; }
  .sticky-cta {
    display: flex; gap: 8px; position: fixed; bottom: 0; left: 0; right: 0; z-index: 180;
    background: #fff; box-shadow: 0 -8px 24px -12px rgba(20,20,28,.2); padding: 10px 12px;
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
  }
  .sticky-btn { flex: 1; text-align: center; padding: 13px 10px; border-radius: 12px; font-weight: 800; font-size: 14px; }
  .sticky-kakao { background: #FEE500; color: #191919; }
  .sticky-primary { background: linear-gradient(120deg, var(--brand), var(--nfc)); color: #fff; }
  .nav-desktop, .header-actions .btn-kakao { display: none; }
  .menu-toggle { display: flex; flex-shrink: 0; }
  .header-actions { gap: 8px; }
  .card-stack { width: 300px; height: 300px; }
  .stack-back { width: 135px; }
  .stack-mid { width: 140px; }
  .stack-front { width: 260px; margin-left: -130px; }
  .floating-chip.c1 { left: 0; font-size: 11px; padding: 8px 12px; }
  .floating-chip.c2 { right: 0; font-size: 11px; padding: 8px 12px; }
  .header-actions .btn-primary { padding: 10px 14px; font-size: 13px; }
  .value-grid, .nfc-grid, .contact-grid { grid-template-columns: 1fr; }
  .usecase-list { gap: 10px; }
  .usecase-item { font-size: 13px; padding: 10px 16px; }
  .pf-grid { grid-template-columns: repeat(2, 1fr); }
  .process-track { grid-template-columns: 1fr 1fr; }
  .process-step:not(:last-child)::after { display: none; }
  .guide-box { grid-template-columns: 1fr; }
  .nfc-howto { grid-template-columns: 1fr; }
  .nfc-arrow { transform: rotate(90deg); }
  .field-row, .pick-grid { grid-template-columns: 1fr 1fr; }
  .inquiry-form { padding: 28px 20px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .logo-chip { width: 68px; height: 68px; padding: 11px; border-radius: 16px; }
  .logo-track { gap: 16px; }
  .trust-stats { gap: 28px; }
  .hero { padding: 128px 0 70px; }
}
@media (max-width: 420px) {
  .logo { font-size: 17px; }
}