/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:       #1A5CFF;
  --primary-dark:  #0040CC;
  --primary-light: #EEF3FF;
  --accent:        #F59E0B;
  --green:         #16A34A;
  --orange:        #EA580C;
  --red:           #DC2626;
  --dark:          #0D1826;
  --gray-900:      #1A1F2E;
  --gray-700:      #374151;
  --gray-500:      #6B7280;
  --gray-300:      #D1D5DB;
  --gray-100:      #F4F6FA;
  --white:         #FFFFFF;
  --radius:        12px;
  --shadow:        0 4px 24px rgba(0,0,0,.08);
  --shadow-lg:     0 8px 40px rgba(0,0,0,.14);
  --transition:    .25s ease;
  --font:          'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--gray-700); background: var(--white); line-height: 1.7; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .1em;
  color: var(--primary); background: var(--primary-light);
  padding: 4px 14px; border-radius: 20px; margin-bottom: 14px;
}
.section-header h2 { font-size: 2.2rem; font-weight: 800; color: var(--dark); margin-bottom: 10px; }
.section-header p  { font-size: 1rem; color: var(--gray-500); }

/* ===== HEADER ===== */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-300);
  transition: box-shadow var(--transition);
}
#header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.08); }

.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }

.sublogo { display: flex; min-width: 135px; width: 135px; align-items: center; gap: 3px; border: 1px solid var(--gray-300); border-radius: 10px; background: #fcfaf5; }
/*
.sublogo-mark {
  font-size: 1.5rem; font-weight: 900; color: var(--white);
  background: var(--primary); width: 42px; height: 42px;
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; letter-spacing: -1px;
}
.sublogo-mark.sm { width: 36px; height: 36px; font-size: 1.2rem; }
*/
.sublogo-mark {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--white);
  background: var(--primary);
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  letter-spacing: -1.3px;
  padding: 0 2px;
  box-sizing: border-box;
}
.sublogo-mark.sm { width: 36px; height: 36px; font-size: .85rem; }

.sublogo-text { display: flex; flex-direction: column; line-height: 1.2; }
.sublogo-main { font-size: .90rem; font-weight: 800; color: var(--dark); }
.sublogo-sub  { font-size: .70rem; color: #000; padding-top: 2px;}  /*color: var(--gray-500)*/

.sublogo-sub .blink {
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.mo-sublogo { display: flex; align-items: center; gap: 2px; border: 1px solid var(--gray-300); border-radius: 10px; background: #fcfaf5; }
.mo-sublogo-mark {  
  font-size: .85rem;
  font-weight: 900;
  color: var(--white);
  background: var(--primary);
  width: 28px; height: 22px;   /* 첫 dt 높이와 맞춤 */
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  letter-spacing: -1px;
  padding: 0 2px;
  box-sizing: border-box;
}
.mo-sublogo-text { display: flex; flex-direction: column; line-height: 1.0; }
.mo-sublogo-main { font-size: .75rem; font-weight: 800; color: var(--dark); }
.mo-sublogo-sub  { font-size: .60rem; color:#000; padding-top: 1px;}

#nav ul { display: flex; align-items: center; gap: 28px; }
#nav ul li a { font-size: .88rem; font-weight: 600; color: var(--gray-700); transition: color var(--transition); }
#nav ul li a:hover { color: var(--primary); }
.btn-nav {
  background: var(--primary); color: var(--white) !important;
  padding: 9px 20px; border-radius: 8px; transition: background var(--transition) !important;
}
.btn-nav:hover { background: var(--primary-dark) !important; }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--gray-700); border-radius: 2px; transition: var(--transition); }

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center; align-items: center; text-align: center;
  padding: 120px 0 80px; overflow: hidden;
  background: linear-gradient(140deg, #071428 0%, #0D2257 45%, #071428 100%);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse 70% 55% at 50% 40%, rgba(26,92,255,.22) 0%, transparent 70%);
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero-content { position: relative; z-index: 1; max-width: 820px; }
.hero-badge {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .08em;
  color: #93B8FF; background: rgba(26,92,255,.18); border: 1px solid rgba(26,92,255,.35);
  padding: 6px 18px; border-radius: 20px; margin-bottom: 24px;
}
.hero-content h1 {
  font-size: 3.4rem; font-weight: 900; color: var(--white); line-height: 1.2; margin-bottom: 22px;
}
.hero-content h1 em { color: #82AAFF; font-style: normal; }
.hero-content p { font-size: 1.05rem; color: rgba(255,255,255,.65); margin-bottom: 38px; line-height: 1.85; }

.hero-btns { display: flex; gap: 14px; justify-content: center; margin-bottom: 60px; flex-wrap: wrap; }
.btn-primary {
  background: var(--primary); color: var(--white); padding: 15px 34px;
  border-radius: 10px; font-size: .97rem; font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  box-shadow: 0 4px 20px rgba(26,92,255,.4);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(26,92,255,.5); }
.btn-outline {
  background: transparent; color: var(--white); padding: 15px 34px;
  border-radius: 10px; font-size: .97rem; font-weight: 700;
  border: 2px solid rgba(255,255,255,.35);
  transition: all var(--transition);
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,.08); transform: translateY(-2px); }

.hero-stats { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; }
.stat { padding: 0 32px; text-align: center; }
.stat strong { display: block; font-size: 1.5rem; font-weight: 900; color: var(--white); }
.stat span { font-size: .8rem; color: rgba(255,255,255,.5); }
.stat-divider { width: 1px; height: 36px; background: rgba(255,255,255,.18); }

.hero-scroll-hint {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,.35); font-size: .78rem;
}
.scroll-arrow {
  width: 18px; height: 18px;
  border-right: 2px solid rgba(255,255,255,.35); border-bottom: 2px solid rgba(255,255,255,.35);
  transform: rotate(45deg); animation: bounce 1.6s infinite;
}
@keyframes bounce { 0%,100%{transform:rotate(45deg) translateY(0)} 50%{transform:rotate(45deg) translateY(6px)} }

/* ===== ABOUT ===== */
.about { background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-text .section-tag { margin-bottom: 12px; }
.about-text h2 { font-size: 2rem; font-weight: 800; color: var(--dark); margin-bottom: 20px; }
.about-text p { font-size: .95rem; color: var(--gray-500); line-height: 1.85; margin-bottom: 16px; }
.about-text p strong { color: var(--primary); }
.about-text .btn-primary { display: inline-block; margin-top: 12px; }

.about-card-wrap { display: flex; flex-direction: column; gap: 16px; }
.about-card {
  background: var(--gray-100); border-radius: var(--radius); padding: 24px;
  display: flex; gap: 16px; align-items: flex-start;
  border: 1.5px solid transparent; transition: all var(--transition);
}
.about-card:hover { border-color: var(--primary-light); box-shadow: var(--shadow); transform: translateX(4px); }
.about-card.highlight { background: var(--primary-light); border-color: rgba(26,92,255,.2); }
.about-card-icon { font-size: 1.8rem; flex-shrink: 0; }
.about-card h3 { font-size: .97rem; font-weight: 800; color: var(--dark); margin-bottom: 4px; }
.about-card p  { font-size: .88rem; color: var(--gray-500); line-height: 1.65; }

/* ===== TARGET ===== */
.target { background: var(--gray-100); }
.target-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.target-card {
  background: var(--white); border-radius: 16px; padding: 40px 32px;
  box-shadow: var(--shadow); border: 2px solid transparent; transition: all var(--transition);
}
.target-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.target-card.featured-card { border-color: var(--primary); }
.target-label {
  display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .08em;
  background: var(--gray-100); color: var(--gray-500);
  padding: 4px 14px; border-radius: 20px; margin-bottom: 16px;
}
.target-label.construction { background: var(--primary); color: var(--white); }
.target-icon { font-size: 2.6rem; margin-bottom: 14px; }
.target-card h3 { font-size: 1.15rem; font-weight: 800; color: var(--dark); margin-bottom: 20px; }
.target-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.target-list li { display: flex; gap: 10px; font-size: .9rem; color: var(--gray-700); line-height: 1.55; }
.t-icon { color: var(--green); font-weight: 700; flex-shrink: 0; margin-top: 1px; }
.target-list li strong { color: var(--primary); }

/* 흐름도 (target) */
.target-flow { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.target-flow.reverse { margin-bottom: 0; }
.tf-box {
  padding: 6px 14px; border-radius: 8px; font-size: .8rem; font-weight: 700;
  border: 2px solid; white-space: nowrap;
}
.tf-box.blue   { border-color: #3B82F6; color: #1D4ED8; background: #EFF6FF; }
.tf-box.green  { border-color: var(--green); color: var(--green); background: #F0FDF4; }
.tf-box.orange { border-color: var(--orange); color: var(--orange); background: #FFF7ED; }
.tf-arrow { font-size: .9rem; color: var(--gray-500); }
.tf-arrow.red  { color: var(--red); }
.tf-note { font-size: .78rem; font-weight: 600; color: var(--gray-500); }
.tf-note.accent { color: var(--orange); margin-left: 6px; }

/* ===== PROCESS ===== */
.process { background: var(--white); }

/* 전체 흐름도 */
.flow-diagram {
  display: flex; align-items: center; justify-content: center;
  gap: 0; margin-bottom: 60px; flex-wrap: wrap;
  background: var(--gray-100); border-radius: 16px; padding: 36px 24px;
}
.flow-col { display: flex; flex-direction: column; align-items: center; }
.flow-box {
  width: 110px; border-radius: 12px; padding: 16px 8px; text-align: center;
  font-weight: 700; border: 2px solid; transition: transform var(--transition);
}
.flow-box:hover { transform: translateY(-3px); }
.flow-box.apply   { border-color: #3B82F6; background: #EFF6FF; color: #1D4ED8; }
.flow-box.review  { border-color: #8B5CF6; background: #F5F3FF; color: #6D28D9; }
.flow-box.purchase{ border-color: var(--primary); background: var(--primary-light); color: var(--primary); }
.flow-box.client  { border-color: var(--green); background: #F0FDF4; color: #15803D; width: 130px; }
.flow-box.contractor { border-color: var(--orange); background: #FFF7ED; color: #C2410C; width: 130px; }
.flow-box.complete{ border-color: var(--accent); background: #FFFBEB; color: #B45309; width: 80px; }
.flow-icon { font-size: 1.6rem; margin-bottom: 4px; }
.flow-icon.sm { font-size: 1.2rem; }
.flow-step { font-size: .65rem; letter-spacing: .08em; opacity: .6; margin-bottom: 2px; }
.flow-label { font-size: .85rem; font-weight: 700; line-height: 1.4; }
.flow-label.small { font-size: .75rem; }
.flow-arrow-h { font-size: 1.2rem; color: var(--primary); padding: 0 6px; opacity: .6; }
.flow-arrow-h.small { font-size: .9rem; padding: 0 4px; }

.flow-branch { gap: 12px; }
.branch-item { display: flex; align-items: center; gap: 0; }
.branch-tag {
  font-size: .65rem; font-weight: 700; letter-spacing: .06em;
  background: rgba(0,0,0,.07); border-radius: 4px; padding: 2px 6px; margin-bottom: 4px;
}

/* 단계별 상세 */
.process-detail { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.pd-item {
  background: var(--gray-100); border-radius: var(--radius); padding: 28px 22px;
  border-top: 4px solid var(--primary); transition: box-shadow var(--transition), transform var(--transition);
}
.pd-item:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.pd-num {
  font-size: 2rem; font-weight: 900; color: var(--primary); opacity: .18;
  line-height: 1; margin-bottom: 10px;
}
.pd-body h3 { font-size: .97rem; font-weight: 800; color: var(--dark); margin-bottom: 8px; }
.pd-body p  { font-size: .87rem; color: var(--gray-500); line-height: 1.7; }

/* ===== BENEFITS ===== */
.benefits { background: var(--gray-100); }
.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.benefit-card {
  background: var(--white); border-radius: var(--radius); padding: 32px 26px;
  box-shadow: var(--shadow); transition: all var(--transition); border: 1.5px solid transparent;
}
.benefit-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.bc-icon { font-size: 2.2rem; margin-bottom: 16px; }
.benefit-card h3 { font-size: 1rem; font-weight: 800; color: var(--dark); margin-bottom: 10px; }
.benefit-card p  { font-size: .9rem; color: var(--gray-500); line-height: 1.72; }

/* ===== FAQ ===== */
.faq { background: var(--white); }
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1.5px solid var(--gray-300); border-radius: var(--radius); overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; padding: 20px 24px; background: var(--white);
  border: none; cursor: pointer; font-size: .97rem; font-weight: 700; color: var(--dark);
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  font-family: var(--font); transition: background var(--transition);
}
.faq-q:hover { background: var(--gray-100); }
.faq-item.open .faq-q { background: var(--primary-light); color: var(--primary); }
.faq-arrow { font-size: .65rem; transition: transform var(--transition); flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 24px 20px; }
.faq-item.open .faq-a { display: block; }
.faq-a p { font-size: .92rem; color: var(--gray-500); line-height: 1.8; padding-top: 14px; border-top: 1px solid var(--gray-300); }

/* ===== CONTACT ===== */
.contact { background: linear-gradient(140deg, #071428, #0D2257); }
.contact .section-tag { color: #93B8FF; background: rgba(26,92,255,.18); border: 1px solid rgba(26,92,255,.3); }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: start; }

.contact-info h2 { font-size: 1.9rem; font-weight: 800; color: var(--white); margin: 12px 0 16px; }
.contact-info > p { font-size: .93rem; color: rgba(255,255,255,.6); line-height: 1.8; margin-bottom: 32px; }
.contact-channels { display: flex; flex-direction: column; gap: 18px; margin-bottom: 32px; }
.contact-channels li { display: flex; align-items: center; gap: 14px; }
.ch-icon {
  font-size: 1.4rem; width: 46px; height: 46px; background: rgba(255,255,255,.08);
  border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-channels li div { display: flex; flex-direction: column; }
.contact-channels li strong { font-size: .8rem; color: rgba(255,255,255,.45); font-weight: 600; }
.contact-channels li span  { font-size: .95rem; color: var(--white); font-weight: 700; }
.company-info {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px; padding: 20px;
}
.company-info strong { display: block; font-size: 1rem; color: var(--white); margin-bottom: 6px; }
.company-info p { font-size: .88rem; color: rgba(255,255,255,.5); line-height: 1.65; }

.contact-form { background: var(--white); border-radius: 16px; padding: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .85rem; font-weight: 700; color: var(--gray-700); margin-bottom: 6px; }
.required { color: var(--red); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--gray-300);
  border-radius: 8px; font-size: .92rem; font-family: var(--font);
  color: var(--dark); background: var(--white); outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,92,255,.1);
}
.form-group textarea { resize: vertical; }
.form-check { display: flex; align-items: flex-start; }
.check-label { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; font-size: .85rem; color: var(--gray-500); }
.check-label input[type="checkbox"] { margin-top: 3px; accent-color: var(--primary); }
.link-privacy { color: var(--primary); text-decoration: underline; }
.btn-submit {
  width: 100%; padding: 14px; background: var(--primary); color: var(--white);
  border: none; border-radius: 10px; font-size: .97rem; font-weight: 700;
  cursor: pointer; font-family: var(--font); margin-top: 6px;
  transition: background var(--transition), transform var(--transition);
}
.btn-submit:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-submit:disabled { opacity: .7; cursor: not-allowed; transform: none; }
.form-success {
  display: none; margin-top: 14px; text-align: center; font-size: .92rem;
  font-weight: 700; color: var(--green); background: #F0FDF4; padding: 12px; border-radius: 8px;
}
.form-success.show { display: block; }

/* ===== FOOTER ===== */
.footer { background: var(--gray-900); padding: 56px 0 0; }
.footer-inner {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 44px; border-bottom: 1px solid rgba(255,255,255,.07);
}
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo-main { display: block; font-size: .92rem; font-weight: 800; color: rgba(255,255,255,.8); }
.footer-logo-sub  { display: block; font-size: .72rem; color: rgba(255,255,255,.35); }
.footer-brand p { font-size: .85rem; color: rgba(255,255,255,.3); line-height: 1.7; }
.footer-col strong { font-size: .82rem; color: rgba(255,255,255,.45); display: block; margin-bottom: 14px; letter-spacing: .05em; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: .85rem; color: rgba(255,255,255,.35); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--white); }
.footer-bottom { padding: 18px 0; }
.footer-bottom p { font-size: .8rem; color: rgba(255,255,255,.2); text-align: center; }

/* ===== FADE-UP ===== */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity .55s ease, transform .55s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about-grid  { grid-template-columns: 1fr; gap: 40px; }
  .process-detail { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid  { grid-template-columns: repeat(2, 1fr); }
  .footer-inner   { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .section-header h2 { font-size: 1.75rem; }
  .hero-content h1 { font-size: 2.2rem; }
  #nav { display: none; position: fixed; inset: 70px 0 0; background: var(--white); padding: 24px; flex-direction: column; overflow-y: auto; }
  #nav.open { display: flex; }
  #nav ul { flex-direction: column; gap: 0; }
  #nav ul li { border-bottom: 1px solid var(--gray-100); }
  #nav ul li a { display: block; padding: 14px 0; font-size: 1rem; }
  .btn-nav { display: inline-block; margin-top: 16px; text-align: center; }
  .hamburger { display: flex; }
  .target-grid   { grid-template-columns: 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .process-detail { grid-template-columns: 1fr; }
  .benefits-grid  { grid-template-columns: 1fr; }
  .flow-diagram { flex-direction: column; }
  .flow-arrow-h { transform: rotate(90deg); }
  .flow-branch { flex-direction: column; width: 100%; }
  .branch-item { justify-content: center; }
  .stat-divider { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.85rem; }
  .hero-btns { flex-direction: column; align-items: center; }
  .footer-inner { grid-template-columns: 1fr; }
}