* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --navy: #0d1f3c;
  --navy-mid: #1a3560;
  --blue: #1d4ed8;
  --blue-light: #3b82f6;
  --gold: #c9a84c;
  --gold-light: #f0d080;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --white: #ffffff;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ── 헤더 ── */
header {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: border-color 0.3s, box-shadow 0.3s;
}

header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 34px;
  height: 34px;
  background: var(--navy);
  color: var(--gold);
  font-weight: 900;
  font-size: 1rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0;
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.5px;
}

nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--navy);
}

nav .nav-cta {
  background: var(--navy);
  color: var(--white);
  padding: 9px 20px;
  border-radius: 7px;
  font-weight: 700;
  font-size: 0.88rem;
  transition: background 0.2s;
}

nav .nav-cta:hover {
  background: var(--navy-mid);
  color: var(--white);
}

/* ── 히어로 ── */
.hero {
  position: relative;
  background: var(--navy);
  color: var(--white);
  padding: 120px 0 110px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(29,78,216,0.35) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(201,168,76,0.12) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  background: rgba(201,168,76,0.15);
  color: var(--gold-light);
  border: 1px solid rgba(201,168,76,0.35);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: normal;
  color: var(--gold-light);
}

.hero-desc {
  font-size: 1.05rem;
  color: #94a3b8;
  margin-bottom: 44px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy);
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201,168,76,0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.25);
}

.btn-ghost:hover {
  border-color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.06);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
}

.hero-scroll-hint span {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}


/* ── 섹션 공통 ── */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--blue-light);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-label.light {
  color: var(--gold);
}

.section-title {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 14px;
  line-height: 1.2;
}

.section-sub {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 60px;
  max-width: 560px;
}

/* ── 카드 ── */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 32px;
  transition: box-shadow 0.25s, transform 0.25s;
}

.card:hover {
  box-shadow: 0 12px 36px rgba(0,0,0,0.09);
  transform: translateY(-3px);
}

.card-icon {
  width: 52px;
  height: 52px;
  background: #eff6ff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.card-icon svg {
  width: 24px;
  height: 24px;
  color: var(--blue);
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.8;
}

/* ── 업무분야 ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  transition: box-shadow 0.25s;
}

.service-card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.08);
}

.service-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--navy);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-icon svg {
  width: 22px;
  height: 22px;
  color: var(--gold);
}

.service-tag {
  display: inline-block;
  background: #fef3c7;
  color: #92400e;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 10px;
}

.service-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.service-content p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.8;
}

/* ── 진행절차 ── */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 2px;
  background: linear-gradient(to right, var(--blue), var(--blue-light));
  z-index: 0;
}

.step {
  padding: 0 20px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 56px;
  height: 56px;
  background: var(--navy);
  color: var(--gold);
  border-radius: 50%;
  font-size: 0.9rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  letter-spacing: 0;
  box-shadow: 0 0 0 6px var(--bg);
}

.step-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-body p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.75;
}

/* ── 연락처 ── */
.section-contact {
  background: var(--navy);
}

.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-name-card {
  margin-bottom: 28px;
}

.contact-name {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.5px;
}

.contact-name-sub {
  font-size: 1.1rem;
  font-weight: 500;
  color: #94a3b8;
}

.contact-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 1px;
  margin-top: 4px;
}

.contact-text .section-title {
  color: var(--white);
  margin-bottom: 16px;
}

.contact-text > p {
  color: #94a3b8;
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 44px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-row svg {
  width: 20px;
  height: 20px;
  color: var(--gold);
  min-width: 20px;
}

.contact-row div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-label {
  font-size: 0.75rem;
  color: #64748b;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.contact-row strong {
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
}

/* 폼 */
.contact-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: #94a3b8;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--white);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #475569;
}

.form-group select option {
  background: var(--navy-mid);
  color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
}

.form-group textarea {
  resize: vertical;
}

.btn-submit {
  background: var(--gold);
  color: var(--navy);
  width: 100%;
  text-align: center;
  padding: 15px;
  font-size: 0.95rem;
}

.btn-submit:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201,168,76,0.3);
}

/* ── 푸터 ── */
footer {
  background: #060f1e;
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-size: 0.95rem;
  font-weight: 700;
  color: #475569;
}

.footer-copy {
  font-size: 0.82rem;
  color: #334155;
}

/* ── 반응형 ── */
@media (max-width: 900px) {
  .hero h1 { font-size: 2.4rem; }
  .cards { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .steps::before { display: none; }
  .contact-box { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 600px) {
  .hero { padding: 80px 0 80px; }
  .hero h1 { font-size: 2rem; }
  .section-title { font-size: 1.8rem; }
  nav { gap: 16px; }
  nav a:not(.nav-cta) { display: none; }
  .steps { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}
