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

:root {
  --navy:    #1B3A6B;
  --navy-dk: #122852;
  --navy-lt: #2a5298;
  --gold:    #C9A84C;
  --gold-lt: #E2C47A;
  --bg:      #F7F6F3;
  --bg-alt:  #EEECEA;
  --text:    #1A1A1A;
  --text-2:  #4A4A4A;
  --text-3:  #7A7A7A;
  --white:   #FFFFFF;
  --radius:  12px;
  --shadow:  0 4px 24px rgba(27,58,107,0.08);
  --shadow-hover: 0 12px 40px rgba(27,58,107,0.15);
  --transition: 0.25s ease;
  --font-sans: 'Noto Sans KR', sans-serif;
  --font-serif: 'Noto Serif KR', serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ── TYPOGRAPHY ───────────────────────────────────────────── */
.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy);
}

.section-title em {
  font-style: normal;
  color: var(--gold);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

/* ── BUTTONS ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy-dk);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-lt);
  border-color: var(--gold-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
  font-size: 14px;
  padding: 10px 22px;
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}

.btn-full { width: 100%; justify-content: center; }

/* ── NAVIGATION ───────────────────────────────────────────── */
.nav-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.nav-header.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  padding: 14px 0;
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-en {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  transition: color var(--transition);
}

.nav-header.scrolled .logo-en { color: var(--navy); }

.logo-divider {
  width: 1px;
  height: 22px;
  background: rgba(255,255,255,0.4);
  transition: background var(--transition);
}

.nav-header.scrolled .logo-divider { background: rgba(0,0,0,0.15); }

.logo-kr {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  letter-spacing: -0.02em;
  transition: color var(--transition);
}

.nav-header.scrolled .logo-kr { color: var(--navy); }

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

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
}

.nav-header.scrolled .nav-links a { color: var(--text-2); }
.nav-links a:hover { color: var(--gold) !important; }

.nav-cta {
  background: var(--gold);
  color: var(--navy-dk) !important;
  padding: 10px 22px;
  border-radius: 50px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--gold-lt); color: var(--navy-dk) !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: background var(--transition);
}

.nav-header.scrolled .nav-hamburger span { background: var(--navy); }

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy-dk);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 80% 50%, rgba(201,168,76,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 80% at 10% 80%, rgba(42,82,152,0.4) 0%, transparent 60%),
    linear-gradient(135deg, #0e2147 0%, #1B3A6B 50%, #1a3360 100%);
}

/* subtle grid overlay */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 120px;
  padding-bottom: 100px;
  max-width: 720px;
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--gold);
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(40px, 6vw, 68px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

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

.hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.72);
  margin-bottom: 44px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
}

.hero-scroll-hint span {
  display: block;
  width: 20px;
  height: 32px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 10px;
  position: relative;
}

.hero-scroll-hint span::before {
  content: '';
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: rgba(255,255,255,0.6);
  border-radius: 2px;
  animation: scroll-hint 1.8s ease-in-out infinite;
}

@keyframes scroll-hint {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0; transform: translateX(-50%) translateY(8px); }
}

/* ── TRUST STRIP ──────────────────────────────────────────── */
.trust-strip {
  background: var(--white);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding: 32px 0;
}

.trust-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 48px;
  gap: 4px;
}

.trust-item strong {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
}

.trust-item span {
  font-size: 12px;
  color: var(--text-3);
  white-space: nowrap;
}

.trust-divider {
  width: 1px;
  height: 36px;
  background: rgba(0,0,0,0.1);
}

/* ── VALUE SECTION ────────────────────────────────────────── */
.value-section {
  padding: 100px 0;
  background: var(--bg);
}

.value-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.value-body {
  font-size: 16px;
  color: var(--text-2);
  margin: 24px 0 36px;
  line-height: 1.85;
}

.value-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.value-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text);
}

.check-icon {
  color: var(--gold);
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

.value-visual {
  display: flex;
  justify-content: center;
}

.value-card-stack {
  position: relative;
  width: 320px;
  height: 340px;
}

.stat-card {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

.stat-num {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}

.stat-num sup { font-size: 20px; }

.stat-label {
  font-size: 13px;
  color: var(--text-3);
}

.stat-card--top {
  top: 0; left: 0;
  width: 200px;
  border-top: 3px solid var(--gold);
}

.stat-card--mid {
  top: 100px; right: 0;
  width: 220px;
  border-top: 3px solid var(--navy);
}

.stat-card--bot {
  bottom: 0; left: 30px;
  width: 210px;
  border-top: 3px solid var(--gold);
}

/* ── SERVICES ─────────────────────────────────────────────── */
.services-section {
  padding: 100px 0;
  background: var(--navy-dk);
}

.services-section .section-eyebrow { color: var(--gold); }
.services-section .section-title { color: var(--white); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: all var(--transition);
  position: relative;
}

.service-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(201,168,76,0.4);
  transform: translateY(-4px);
}

.service-card--featured {
  background: rgba(201,168,76,0.1);
  border-color: rgba(201,168,76,0.4);
}

.service-badge {
  position: absolute;
  top: -12px;
  left: 28px;
  background: var(--gold);
  color: var(--navy-dk);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.05em;
}

.service-icon {
  width: 52px;
  height: 52px;
  color: var(--gold);
  margin-bottom: 24px;
}

.service-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.service-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin-bottom: 24px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-list li {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  padding-left: 16px;
  position: relative;
}

.service-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* ── TEAM ─────────────────────────────────────────────────── */
.team-section {
  padding: 100px 0;
  background: var(--bg);
}

.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.team-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 44px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 32px;
  transition: box-shadow var(--transition);
}

.team-card:hover { box-shadow: var(--shadow-hover); }

.team-avatar {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
}

.team-avatar-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-lt) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

.team-info { flex: 1; }

.team-name-block {
  margin-bottom: 20px;
}

.team-name-block h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
}

.team-role {
  font-size: 12px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.05em;
}

.team-career {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.team-career li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--text-2);
}

.career-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
  margin-top: 7px;
}

.team-quote {
  font-size: 13px;
  color: var(--text-3);
  font-style: italic;
  border-left: 3px solid var(--gold);
  padding-left: 14px;
  line-height: 1.7;
}

/* ── INSIGHTS (BLOG) ──────────────────────────────────────── */
.insights-section {
  padding: 100px 0;
  background: var(--bg-alt);
}

.insights-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  text-align: left;
  margin-bottom: 50px;
}

.insights-sub {
  margin-top: 12px;
  font-size: 15px;
  color: var(--text-3);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all var(--transition);
  border-bottom: 3px solid transparent;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-bottom-color: var(--gold);
}

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

.blog-tag {
  background: rgba(201,168,76,0.12);
  color: #8B6914;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.05em;
}

.blog-date {
  font-size: 12px;
  color: var(--text-3);
}

.blog-title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.55;
}

.blog-excerpt {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.8;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-read-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  transition: color var(--transition);
  margin-top: auto;
}

.blog-read-more:hover { color: var(--gold); }

.blog-loading {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 60px;
  color: var(--text-3);
  font-size: 14px;
}

.loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(27,58,107,0.1);
  border-top-color: var(--navy);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── TESTIMONIALS ─────────────────────────────────────────── */
.testimonials-section {
  padding: 100px 0;
  background: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.testimonial-card--featured {
  background: var(--navy);
}

.testimonial-stars {
  color: var(--gold);
  font-size: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.85;
  font-style: italic;
}

.testimonial-card--featured .testimonial-text { color: rgba(255,255,255,0.85); }

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-top: 8px;
  border-top: 1px solid rgba(0,0,0,0.07);
}

.testimonial-card--featured .testimonial-author { border-top-color: rgba(255,255,255,0.15); }

.testimonial-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
}

.testimonial-card--featured .testimonial-name { color: var(--white); }

.testimonial-title {
  font-size: 12px;
  color: var(--text-3);
}

.testimonial-card--featured .testimonial-title { color: rgba(255,255,255,0.55); }

/* ── CONTACT ──────────────────────────────────────────────── */
.contact-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #0e2147 0%, #1B3A6B 100%);
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  position: relative;
}

.contact-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.65);
  line-height: 1.85;
  margin: 24px 0 40px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-info-icon { font-size: 20px; margin-top: 2px; }

.contact-info-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 2px;
}

.contact-info-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--white);
}

a.contact-info-value:hover { color: var(--gold); }

.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius);
  padding: 44px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.2);
}

.form-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid rgba(0,0,0,0.12);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition);
  outline: none;
}

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

.form-group textarea { resize: vertical; }

.form-note {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-3);
  text-align: center;
}

/* ── FOOTER ───────────────────────────────────────────────── */
.footer {
  background: #0c1d3a;
  padding: 56px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 60px;
}

.footer-brand {
  max-width: 260px;
}

.logo--light .logo-en { color: var(--white); }
.logo--light .logo-divider { background: rgba(255,255,255,0.2); }
.logo--light .logo-kr { color: rgba(255,255,255,0.7); }

.footer-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  margin: 16px 0 20px;
  line-height: 1.7;
}

.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.25);
}

.footer-links {
  display: flex;
  gap: 60px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: var(--white); }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 960px) {
  .services-grid,
  .testimonials-grid,
  .blog-grid { grid-template-columns: 1fr; }

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

  .value-inner { grid-template-columns: 1fr; gap: 60px; }
  .value-visual { display: none; }

  .contact-inner { grid-template-columns: 1fr; gap: 50px; }

  .insights-header { flex-direction: column; align-items: flex-start; gap: 20px; }

  .trust-grid { flex-wrap: wrap; gap: 0; }
  .trust-item { padding: 12px 24px; }
  .trust-divider { display: none; }

  .footer-inner { flex-direction: column; gap: 40px; }
  .footer-links { gap: 40px; }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--navy-dk);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 99;
  }

  .nav-links.open { display: flex; }
  .nav-links a { font-size: 20px; color: var(--white) !important; }
  .nav-cta { background: var(--gold); color: var(--navy-dk) !important; }

  .nav-hamburger { display: flex; z-index: 101; }

  .hero-headline { font-size: 36px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }

  .team-card { flex-direction: column; }
  .team-avatar { width: 72px; height: 72px; }

  .contact-form-wrap { padding: 28px; }
}