:root{
  --bg: #ffffff;
  --panel: rgba(255,255,255,.72);
  --panel-solid: #ffffff;
  --text: #0b1220;
  --muted: rgba(11,18,32,.72);
  --line: rgba(11,18,32,.10);
  --shadow: 0 20px 60px rgba(12, 18, 32, .10);
  --shadow2: 0 12px 30px rgba(12, 18, 32, .10);
  --radius: 22px;
  --radius2: 16px;

  --g1: #6ee7ff; /* cyan */
  --g2: #a78bfa; /* purple */
  --g3: #34d399; /* emerald */
  --g4: #fb7185; /* rose */
  --accent: #2563eb; /* blue */
  --accent2:#7c3aed; /* violet */
  --good:#16a34a;
  --warn:#f59e0b;
}

*{box-sizing:border-box}
html,body{height:100%}
html{ overflow-x: hidden; }
body{
  margin:0;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  color:var(--text);
  background: #ffffff;
  overflow-x: hidden;
  padding-top: 70px; /* space for fixed header */
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background:
    radial-gradient(1200px 640px at 12% -6%, rgba(110,231,255,.28), transparent 62%),
    radial-gradient(1100px 560px at 88% -2%, rgba(167,139,250,.22), transparent 58%),
    radial-gradient(980px 580px at 28% 112%, rgba(52,211,153,.18), transparent 58%),
    linear-gradient(#ffffff, #ffffff);
}

a{color:inherit; text-decoration:none}
.container{width:min(1120px, 92vw); margin:0 auto}

/* Top Nav */
.nav{
  position:fixed;
  top:0; left:0; right:0;
  z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(255,255,255,.70);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:14px;
}
.brand{
  display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:-.02em;
  flex-shrink: 0; /* Prevent Logo from shrinking */
}
.brand-text{ display:flex; flex-direction:column; }
.brand-name{ font-size:14px; line-height:1; }
.brand-tagline{ font-size:12px; color:rgba(11,18,32,.62); font-weight:800; margin-top:3px; }
.logo{
  width:34px; height:34px; border-radius:12px;
  background: radial-gradient(circle at 25% 25%, var(--g1), transparent 55%),
              radial-gradient(circle at 75% 25%, var(--g2), transparent 55%),
              radial-gradient(circle at 50% 80%, var(--g3), transparent 60%),
              linear-gradient(135deg, rgba(37,99,235,.9), rgba(124,58,237,.9));
  box-shadow: 0 14px 30px rgba(37,99,235,.18);
  position:relative;
  overflow:hidden;
}
.logo::after{
  content:"B";
  position:absolute; inset:0;
  display:grid; place-items:center;
  color:#fff; font-weight:900;
  font-size:18px;
  text-shadow: 0 6px 18px rgba(0,0,0,.22);
}
.nav-links{
  display:flex; align-items:center; gap:14px;
  color:rgba(11,18,32,.74);
  font-weight:600;
}
.nav-links a{
  padding:8px 10px; border-radius:12px;
  transition:background .2s ease, color .2s ease;
}
.nav-links a:hover{ background:rgba(37,99,235,.08); color:rgba(11,18,32,.92); }
.nav-cta{
  display:flex; align-items:center; gap:10px;
  flex-shrink: 0; /* Prevent CTA from shrinking */
}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  border-radius: 14px;
  padding:12px 14px;
  font-weight:800;
  border:1px solid var(--line);
  background: rgba(255,255,255,.85);
  box-shadow: 0 10px 24px rgba(12,18,32,.08);
  transition: transform .15s ease, box-shadow .15s ease, background .2s ease;
  cursor:pointer;
  user-select:none;
  white-space:nowrap;
}
.btn:hover{ transform: translateY(-1px); box-shadow: 0 16px 32px rgba(12,18,32,.12); }
.btn.primary{
  border:none;
  color:#fff;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 18px 40px rgba(37,99,235,.22);
}
.btn.primary:hover{ box-shadow: 0 22px 52px rgba(37,99,235,.26); }
.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 12px; border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.7);
  font-weight:700;
  color: rgba(11,18,32,.72);
}
.dot{
  width:10px;height:10px;border-radius:50%;
  background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,.2)),
              linear-gradient(135deg, var(--g1), var(--g2));
  box-shadow: 0 6px 16px rgba(167,139,250,.25);
}

/* Sections & reveal animation */
section{ padding: clamp(56px, 7vw, 88px) 0; position:relative; }
.reveal{
  opacity:0;
  transform: translateY(14px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in{
  opacity:1;
  transform: translateY(0);
}

/* HERO */
.hero{
  padding: clamp(44px, 6vw, 70px) 0 clamp(56px, 7vw, 90px);
}
.hero-grid{
  display:grid; grid-template-columns: 1.15fr .85fr;
  gap: 26px;
  align-items:stretch;
}
.hero h1{
  font-size: clamp(34px, 3.4vw, 54px);
  line-height: 1.05;
  margin: 14px 0 14px;
  letter-spacing:-.03em;
}
.hero p{
  margin:0;
  font-size: 17px;
  line-height: 1.65;
  color: var(--muted);
}
.hero-card{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.66);
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}
.hero-card .img{
  height: 300px;
  background: url("https://images.unsplash.com/photo-1521737604893-d14cc237f11d?auto=format&fit=crop&w=1400&q=80") center/cover no-repeat;
}
@media (max-width: 520px){
  .hero-card .img{ height: 200px; }
}
.hero-card .body{ padding:20px 18px 10px; }
.hero-card h3{ margin:0 0 6px; letter-spacing:-.02em; }
.hero-card .mini{
  display:flex; gap:10px; flex-wrap:wrap; margin-top:12px;
}
.mini .chip{
  padding:8px 10px; border-radius:999px;
  background: rgba(37,99,235,.08);
  border: 1px solid rgba(37,99,235,.18);
  color: rgba(11,18,32,.78);
  font-weight:800;
  font-size:12px;
}

.hero-actions{
  display:flex; gap:10px; flex-wrap:wrap;
  margin-top:18px;
}
.quote{
  margin-top: 14px;
  padding: 14px 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.70);
  border: 1px solid var(--line);
  color: rgba(11,18,32,.78);
  font-weight:800;
  letter-spacing:-.01em;
}

/* Section titles */
.kicker{
  font-weight:900;
  color: rgba(37,99,235,.92);
  letter-spacing:.04em;
  text-transform:uppercase;
  font-size:12px;
}
.title{
  font-size: clamp(26px, 2.4vw, 38px);
  line-height:1.15;
  letter-spacing:-.03em;
  margin:10px 0 10px;
}
.lead{
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
  margin: 0;
  max-width: 74ch;
}

/* Panels */
.panel{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.64);
  box-shadow: var(--shadow2);
  padding: 22px;
}

/* Split */
.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 22px;
  align-items:stretch;
}
.split .card{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.72);
  box-shadow: var(--shadow2);
  overflow:hidden;
}
.card .card-img{
  height: 160px;
  background-size: cover;
  background-position: center;
  filter: saturate(1.05);
}
.card .card-body{ padding: 18px; }
.card h4{ margin:0 0 8px; letter-spacing:-.02em; }
.card p{ margin:0; color: var(--muted); line-height: 1.65; }
.bullets{
  margin: 14px 0 0;
  padding: 0 0 0 18px;
  color: rgba(11,18,32,.76);
  line-height:1.7;
  font-weight:650;
}

/* Cases grid */
.cases{
  display:grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
@media (max-width: 1020px){
  .hero-grid{ grid-template-columns: 1fr; }
  .split{ grid-template-columns:1fr; }
  .cases{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cases{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px){
  body{ padding-top: 80px; } /* Increased space for taller header */

  .nav-links{ display:none; }

  /* Unified Mobile Container: Full width with consistent padding */
  .container, 
  .nav .container,
  body > main .container:not(.nav-inner){
    width: 100%;
    margin: 0;
    padding-left: 20px;
    padding-right: 20px;
    max-width: none;
  }

  /* Taller Header */
  .nav-inner{
    padding: 16px 0; /* More vertical breathing room */
    gap: 10px;
  }

  .brand{
    flex-shrink: 0;
  }
  .brand-name{ font-size: 14px; }
  .brand-tagline{ display:none; }

  .nav-cta{
    margin-left: auto; /* Ensure it stays on the right */
    display: flex !important;
    opacity: 1;
    visibility: visible;
  }
  .nav-cta .btn{
    padding: 10px 14px;
    font-size: 13px;
  }

  .cases{ grid-template-columns: 1fr; }
}

.case{
  border:1px solid var(--line);
  border-radius: var(--radius2);
  background: rgba(255,255,255,.72);
  padding: 14px;
  box-shadow: 0 10px 22px rgba(12,18,32,.07);
  min-height: 146px;
  position:relative;
  overflow:hidden;
}
.case::before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(220px 120px at 30% 10%, rgba(110,231,255,.18), transparent 60%),
              radial-gradient(220px 120px at 80% 0%, rgba(167,139,250,.14), transparent 55%);
  pointer-events:none;
}
.case .tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:900;
  font-size:12px;
  color: rgba(11,18,32,.75);
  position:relative;
}
.case .tag .badge{
  width:22px;height:22px;border-radius:8px;
  display:grid;place-items:center;
  color:#fff;font-weight:900;font-size:12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 10px 18px rgba(37,99,235,.18);
}
.case h5{
  position:relative;
  margin: 10px 0 8px;
  font-size: 15px;
  letter-spacing:-.02em;
  line-height:1.25;
}
.case p{
  position:relative;
  margin:0;
  color: var(--muted);
  line-height:1.55;
  font-size: 13px;
}

/* Desire metric row */
.metrics{
  display:grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 12px;
  margin-top: 18px;
}
@media (max-width: 900px){
  .metrics{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 480px){
  .metrics{ grid-template-columns: 1fr; }
}
.metric{
  border:1px solid var(--line);
  border-radius: var(--radius2);
  background: rgba(255,255,255,.72);
  box-shadow: 0 10px 22px rgba(12,18,32,.07);
  padding: 14px;
}
.metric .num{
  font-weight:950;
  letter-spacing:-.03em;
  font-size: 22px;
  margin-bottom: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.metric .lbl{
  color: rgba(11,18,32,.78);
  font-weight:850;
  margin-bottom: 6px;
}
.metric .txt{
  color: var(--muted);
  line-height:1.55;
  font-size: 13px;
  margin:0;
}

/* “Why us” feature list */
.features{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
  margin-top: 18px;
}
@media (max-width: 900px){ .features{ grid-template-columns:1fr; } }
.feature{
  border:1px solid var(--line);
  border-radius: var(--radius2);
  background: rgba(255,255,255,.72);
  box-shadow: 0 10px 22px rgba(12,18,32,.07);
  padding: 14px;
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.icon{
  width:40px;height:40px;border-radius:14px;
  display:grid;place-items:center;
  color:#fff; font-weight:900;
  background: radial-gradient(circle at 25% 25%, rgba(255,255,255,.5), transparent 60%),
              linear-gradient(135deg, var(--g1), var(--accent2));
  box-shadow: 0 14px 26px rgba(124,58,237,.18);
  flex:0 0 auto;
}
.feature h4{ margin:0 0 6px; letter-spacing:-.02em; }
.feature p{ margin:0; color:var(--muted); line-height:1.6; }

/* Testimonials */
.t-grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 12px;
  margin-top: 18px;
}
@media (max-width: 1000px){ .t-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 520px){ .t-grid{ grid-template-columns: 1fr; } }
.t{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.78);
  box-shadow: 0 12px 26px rgba(12,18,32,.09);
  padding: 16px;
  position:relative;
  overflow:hidden;
}
.t::before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(200px 120px at 10% 0%, rgba(52,211,153,.14), transparent 60%),
              radial-gradient(240px 140px at 90% 0%, rgba(110,231,255,.14), transparent 55%);
  pointer-events:none;
}
.t .q{
  position:relative;
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.35;
  margin-bottom:10px;
}
.t .who{
  position:relative;
  display:flex; align-items:center; gap:10px;
  color: rgba(11,18,32,.78);
  font-weight:800;
  font-size: 13px;
}
.avatar{
  width:34px;height:34px;border-radius:14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.8), transparent 55%),
    linear-gradient(135deg, var(--g4), var(--accent2));
  box-shadow: 0 10px 18px rgba(251,113,133,.18);
  flex:0 0 auto;
}
.t .who span{ color: var(--muted); font-weight:700; margin-left:6px; }

/* Footer */
footer{
  padding: 40px 0 60px;
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,.65);
  backdrop-filter: blur(10px);
}
.footer-grid{
  display:flex; justify-content:space-between; align-items:flex-start;
  gap: 16px; flex-wrap:wrap;
  color: var(--muted);
  font-weight:650;
}
.footer-grid .small{ max-width: 70ch; line-height:1.7; }
.footer-grid strong{ color: rgba(11,18,32,.92); }

@media (max-width: 600px){
  .footer-grid{
    flex-direction: column;
    gap: 32px;
  }
}

/* APPLY overlay (full-screen form view) */
.form-open{ overflow:hidden; }
.form-open header.nav,
.form-open main,
.form-open footer{ display:none; }

#applyOverlay{
  position:fixed;
  inset:0;
  display:none;
  overflow:auto;
  -webkit-overflow-scrolling: touch;
  background: transparent;
  z-index: 100;
}
.form-open #applyOverlay{ display:block; }

.apply-shell{ padding: clamp(18px, 3vw, 28px) 0; }
.apply-wrap{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.86);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.apply-head{
  padding: 16px 16px;
  border-bottom: 1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
}
.apply-head h3{ margin:0; letter-spacing:-.02em; }
.apply-head p{ margin:6px 0 0; color:var(--muted); line-height:1.6; }
.apply-actions{ display:flex; gap:10px; flex-wrap:wrap; align-items:center; }

.apply-body{
  padding: 16px;
  display:grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

/* Form */
form{ display:grid; gap: 14px; }
.seg{
  display:flex; gap: 10px; flex-wrap:wrap;
  padding: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.75);
  border-radius: 16px;
}
.seg label{
  display:flex; align-items:center; gap:8px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(11,18,32,.10);
  background: rgba(255,255,255,.9);
  font-weight: 850;
  cursor:pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .2s ease;
  user-select:none;
}
.seg input{ accent-color: var(--accent); }
.seg label:hover{ transform: translateY(-1px); box-shadow: 0 10px 20px rgba(12,18,32,.09); }
.fieldset{
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.78);
  padding: 14px;
  display:none;
}
.fieldset.active{ display:block; }
.grid2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  row-gap: 18px;
  column-gap: 12px;
}
@media (max-width: 900px){ .grid2{ grid-template-columns: 1fr; } }

.grid3{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  row-gap: 18px;
  column-gap: 12px;
}
@media (max-width: 900px){ .grid3{ grid-template-columns: 1fr; } }

/* Vertical spacing between logical blocks inside fieldsets */
.fieldset > .grid2:not(:first-child),
.fieldset > .grid3:not(:first-child),
.fieldset > .field:not(:first-child){
  margin-top: 18px;
}

.field{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.field label{
  display:block; font-weight: 900; margin:0; letter-spacing:-.01em;
}
.field small{
  display:block; color: var(--muted); margin:0; line-height:1.5;
}
input[type="text"], input[type="email"], input[type="url"], input[type="tel"], select, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(11,18,32,.14);
  background: rgba(255,255,255,.95);
  outline:none;
  font-weight: 650;
  color: rgba(11,18,32,.90);
  transition: box-shadow .15s ease, border-color .15s ease, transform .08s ease;
}
input::placeholder, textarea::placeholder{ color: rgba(11,18,32,.45); font-weight:650; }
textarea{ min-height: 120px; resize: vertical; }
input:focus, select:focus, textarea:focus{
  border-color: rgba(37,99,235,.40);
  box-shadow: 0 0 0 6px rgba(37,99,235,.12);
}
.form-actions{
  display:flex; gap:10px; flex-wrap:wrap; align-items:center; justify-content:space-between;
  padding-top: 6px;
}
.note{
  color: var(--muted);
  font-weight: 650;
  line-height:1.6;
  max-width: 70ch;
}

.divider{
  height:1px; background: var(--line); margin: 10px 0;
}

.hero-notice{
  margin-top: 18px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.72);
  box-shadow: 0 12px 26px rgba(12,18,32,.08);
  color: rgba(11,18,32,.82);
  font-weight: 800;
  line-height: 1.6;
}
.hero-notice strong{ color: rgba(11,18,32,.92); }

@media (max-width: 640px){
  .btn{ padding: 12px 13px; }
  .apply-body{ padding: 14px; }
  input[type="text"], input[type="email"], input[type="url"], input[type="tel"], select, textarea{
    padding: 12px 12px;
    font-size: 16px; /* prevent zoom on iOS */
  }
  .hero-notice{ padding: 12px; }
  
  /* Better mobile text sizing */
  .hero h1{ font-size: clamp(28px, 8vw, 42px); }
  .hero p{ font-size: 15px; }
  .title{ font-size: clamp(22px, 6vw, 32px); }
  .lead{ font-size: 15px; }
}

/* subtle background ornaments */
.orb{
  position:absolute;
  width: 520px; height: 520px;
  border-radius: 50%;
  filter: blur(40px);
  opacity: .22;
  pointer-events:none;
  z-index:-1;
}
.orb.one{
  background: radial-gradient(circle at 30% 30%, var(--g1), transparent 60%),
              radial-gradient(circle at 70% 40%, var(--g2), transparent 55%);
  top:-180px; left:-200px;
}
.orb.two{
  background: radial-gradient(circle at 30% 30%, var(--g3), transparent 60%),
              radial-gradient(circle at 70% 40%, var(--g4), transparent 55%);
  bottom:-260px; right:-260px;
}

/* FAQ Styles */
.faq-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--panel);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  padding: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow2);
}

.faq-item summary {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
  user-select: none;
  transition: background 0.2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  background: rgba(37, 99, 235, 0.04);
}

.faq-item summary h4 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  flex: 1;
}

.faq-icon {
  font-size: 24px;
  font-weight: 300;
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-content {
  padding: 0 24px 20px 24px;
  animation: fadeIn 0.3s ease;
}

.faq-content p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .faq-item summary {
    padding: 16px 18px;
  }
  
  .faq-item summary h4 {
    font-size: 16px;
  }
  
  .faq-content {
    padding: 0 18px 16px 18px;
  }
  
  .faq-content p {
    font-size: 14px;
  }
}