@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700;900&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --navy: #1B2A5C;
  --navy-dark: #111B3E;
  --navy-light: #2A3F80;
  --accent: #3B82F6;
  --accent-light: #EFF6FF;
  --white: #FFFFFF;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-500: #64748B;
  --gray-700: #334155;
  --gray-900: #0F172A;
  --success: #10B981;
  --font-kr: 'Noto Sans KR', sans-serif;
  --font-en: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-kr);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-mark {
  width: 36px;
  height: 36px;
  background: var(--navy);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 14px;
  font-family: var(--font-en);
  letter-spacing: -0.5px;
}

.nav-logo-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--gray-700);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active { color: var(--navy); }

.nav-cta {
  background: var(--navy) !important;
  color: white !important;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 13px !important;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--navy-light) !important; }

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

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ── LAYOUT ── */
main { padding-top: 64px; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

section { padding: 80px 0; }

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 900;
  color: var(--navy);
  line-height: 1.25;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gray-500);
  margin-top: 16px;
  max-width: 560px;
  line-height: 1.8;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  font-family: var(--font-kr);
}

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

.btn-primary:hover { background: var(--navy-light); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}

.btn-outline:hover { background: var(--navy); color: white; }

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

.btn-white:hover { background: var(--gray-100); }

/* ── HERO (index) ── */
.hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-light) 100%);
  color: white;
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 13px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 24px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero h1 span { color: #60A5FA; }

.hero-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 480px;
}

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

.hero-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px;
  padding: 32px;
  backdrop-filter: blur(10px);
}

.hero-card-title {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-price-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.hero-price-item:last-child { border-bottom: none; }

.hero-price-name { font-size: 14px; color: rgba(255,255,255,0.85); }

.hero-price-val {
  font-size: 15px;
  font-weight: 700;
  color: #60A5FA;
  font-family: var(--font-en);
}

/* ── STATS ── */
.stats {
  background: var(--gray-50);
  padding: 48px 0;
  border-bottom: 1px solid var(--gray-200);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--navy);
  font-family: var(--font-en);
  letter-spacing: -1px;
}

.stat-label {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* ── HOW IT WORKS ── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 48px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(16.67% + 28px);
  right: calc(16.67% + 28px);
  height: 2px;
  background: var(--gray-200);
}

.step-card {
  text-align: center;
  position: relative;
}

.step-num {
  width: 56px;
  height: 56px;
  background: var(--navy);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  margin: 0 auto 20px;
  font-family: var(--font-en);
  position: relative;
  z-index: 1;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ── WHY US ── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 48px;
}

.why-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  padding: 28px;
  transition: all 0.2s;
}

.why-card:hover {
  border-color: var(--accent);
  background: var(--accent-light);
  transform: translateY(-2px);
}

.why-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.why-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.why-desc { font-size: 0.88rem; color: var(--gray-500); line-height: 1.7; }

/* ── CTA BANNER ── */
.cta-banner {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy-light));
  color: white;
  padding: 72px 0;
  text-align: center;
}

.cta-banner h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  margin-bottom: 16px;
}

.cta-banner p {
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  font-size: 1rem;
}

/* ── SERVICES PAGE ── */
.page-hero {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  color: white;
  padding: 72px 0;
}

.page-hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.page-hero p { color: rgba(255,255,255,0.75); font-size: 1.05rem; }

.service-block {
  padding: 72px 0;
  border-bottom: 1px solid var(--gray-200);
}

.service-block:last-child { border-bottom: none; }

.service-block-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.service-block-inner.reverse { direction: rtl; }
.service-block-inner.reverse > * { direction: ltr; }

.service-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.service-title {
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}

.service-desc {
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 24px;
}

.service-features { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--gray-700);
}

.service-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.service-price-box {
  background: var(--navy);
  color: white;
  border-radius: 20px;
  padding: 36px;
}

.service-price-label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 8px;
}

.service-price-amount {
  font-size: 3rem;
  font-weight: 900;
  font-family: var(--font-en);
  letter-spacing: -2px;
  line-height: 1;
}

.service-price-period {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
  margin-bottom: 28px;
}

.service-includes { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.service-includes li {
  display: flex;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.8);
}

.service-includes li::before {
  content: '→';
  color: #60A5FA;
  flex-shrink: 0;
}

/* ── PRICING PAGE ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 48px;
}

.pricing-card {
  border: 2px solid var(--gray-200);
  border-radius: 20px;
  padding: 32px;
  position: relative;
  transition: all 0.2s;
}

.pricing-card:hover { border-color: var(--accent); transform: translateY(-3px); }

.pricing-card.featured {
  border-color: var(--navy);
  background: var(--navy);
  color: white;
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-card.featured .pricing-name { color: rgba(255,255,255,0.7); }

.pricing-price {
  font-size: 2.5rem;
  font-weight: 900;
  font-family: var(--font-en);
  color: var(--navy);
  letter-spacing: -1.5px;
  line-height: 1;
  margin-bottom: 4px;
}

.pricing-card.featured .pricing-price { color: white; }

.pricing-period {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 24px;
}

.pricing-card.featured .pricing-period { color: rgba(255,255,255,0.55); }

.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.pricing-features li {
  display: flex;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-700);
  align-items: flex-start;
}

.pricing-card.featured .pricing-features li { color: rgba(255,255,255,0.85); }

.pricing-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-card.featured .pricing-features li::before { color: #60A5FA; }

.pricing-divider {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: 60px 0 48px;
}

.renewal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
}

.renewal-table th {
  background: var(--navy);
  color: white;
  padding: 14px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 13px;
}

.renewal-table th:first-child { border-radius: 10px 0 0 0; }
.renewal-table th:last-child { border-radius: 0 10px 0 0; }

.renewal-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-700);
}

.renewal-table tr:last-child td { border-bottom: none; }
.renewal-table tr:nth-child(even) td { background: var(--gray-50); }

.price-note {
  background: var(--accent-light);
  border: 1px solid #BFDBFE;
  border-radius: 12px;
  padding: 18px 22px;
  font-size: 0.88rem;
  color: var(--navy);
  margin-top: 32px;
  line-height: 1.7;
}

/* ── ABOUT PAGE ── */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy-light));
  border-radius: 24px;
  padding: 48px;
  color: white;
  text-align: center;
}

.about-visual-logo {
  width: 72px;
  height: 72px;
  background: rgba(255,255,255,0.15);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 900;
  font-family: var(--font-en);
  margin: 0 auto 20px;
  letter-spacing: -1px;
}

.about-visual h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.about-visual p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

.about-visual-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 24px;
}

.about-tag {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.85);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 100px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 48px;
}

.value-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  padding: 28px;
}

.value-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.value-card p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.7; }

/* ── CONTACT PAGE ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

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

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

.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.contact-item p { font-size: 0.88rem; color: var(--gray-500); }

.contact-item a { color: var(--accent); text-decoration: none; }

.contact-box {
  background: var(--navy);
  border-radius: 24px;
  padding: 40px;
  color: white;
  text-align: center;
}

.contact-box h3 {
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 14px;
}

.contact-box p {
  color: rgba(255,255,255,0.7);
  font-size: 0.93rem;
  line-height: 1.8;
  margin-bottom: 28px;
}

.faq-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 48px; }

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  overflow: hidden;
}

.faq-q {
  padding: 18px 22px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: white;
}

.faq-q::after { content: '+'; font-size: 1.2rem; color: var(--accent); }

.faq-a {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s;
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.8;
  background: var(--gray-50);
}

.faq-item.open .faq-a { max-height: 200px; padding: 18px 22px; }
.faq-item.open .faq-q::after { content: '−'; }

/* ── FOOTER ── */
footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.6);
  padding: 48px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 40px;
}

.footer-brand h3 {
  color: white;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.footer-brand p { font-size: 0.83rem; line-height: 1.7; }

.footer-col h4 {
  color: white;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.footer-col ul li a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 0.83rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: white;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--gray-200);
    gap: 1.2rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-card { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }
  .why-grid { grid-template-columns: 1fr; }
  .service-block-inner { grid-template-columns: 1fr; }
  .service-block-inner.reverse { direction: ltr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .about-intro { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}