/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  color: #1a1f2e;
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
h1,h2,h3,h4 { margin: 0; font-weight: 700; letter-spacing: -0.02em; }
p { margin: 0; }
ul,ol { margin: 0; padding: 0; list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Typography ===== */
.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #F5A623;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.section-head { text-align: center; margin-bottom: 64px; }
.section-head h2 {
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.25;
  color: #0B2A1E;
  margin-bottom: 16px;
}
.section-head .lead {
  font-size: 17px;
  color: #4a5567;
  max-width: 640px;
  margin: 0 auto;
}
.section-head.light h2, .section-head.light .eyebrow { color: #fff; }
.section-head.light h2 { color: #fff; }
.section-head.light .eyebrow { color: #F5A623; }

/* ===== Header ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(11,74,58,0.06);
  z-index: 100;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-name {
  font-size: 22px; font-weight: 800; letter-spacing: -0.02em;
  color: #0B2A1E;
}
.nav { display: flex; align-items: center; gap: 36px; }
.nav a {
  font-size: 15px; font-weight: 500; color: #2d3748;
  transition: color .2s;
}
.nav a:hover { color: #0B4A3A; }
.nav .nav-cta {
  padding: 10px 20px;
  background: #0B4A3A; color: #fff;
  border-radius: 999px;
  font-weight: 600;
}
.nav .nav-cta:hover { background: #0F5132; color: #fff; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span {
  width: 24px; height: 2px; background: #0B2A1E;
  transition: transform .3s, opacity .3s;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 180px 0 120px;
  overflow: hidden;
  background: linear-gradient(135deg, #0B2A1E 0%, #0B4A3A 50%, #145A42 100%);
  color: #fff;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(245,166,35,0.25) 0%, transparent 40%),
    radial-gradient(circle at 15% 80%, rgba(20,160,110,0.2) 0%, transparent 50%);
  pointer-events: none;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, transparent 0%, black 30%, black 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, black 30%, black 70%, transparent 100%);
}
.hero-inner { position: relative; z-index: 1; }
.hero-eyebrow {
  font-size: 13px; letter-spacing: 0.2em; font-weight: 600;
  color: #F5A623; margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1.1; font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.hero-desc {
  font-size: clamp(16px, 1.6vw, 19px);
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
  max-width: 580px;
}
.hero-cta {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 80px;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 32px;
  font-size: 16px; font-weight: 600;
  border-radius: 8px;
  transition: transform .15s, box-shadow .2s, background .2s;
}
.btn-primary {
  background: #F5A623; color: #0B2A1E;
  box-shadow: 0 4px 24px rgba(245,166,35,0.3);
}
.btn-primary:hover { background: #FFB840; transform: translateY(-2px); }
.btn-ghost {
  background: transparent; color: #fff;
  border: 1.5px solid rgba(255,255,255,0.3);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.6); }
.btn-block { width: 100%; padding: 18px; font-size: 16px; }

.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 32px; max-width: 720px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.hero-stats > div { display: flex; flex-direction: column; gap: 6px; }
.hero-stats strong {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800; color: #F5A623;
  letter-spacing: -0.02em;
}
.hero-stats span { font-size: 13px; color: rgba(255,255,255,0.7); }

.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  width: 22px; height: 36px;
  border: 1.5px solid rgba(255,255,255,0.4);
  border-radius: 20px;
  z-index: 2;
}
.hero-scroll span {
  display: block; width: 3px; height: 8px;
  background: #F5A623; border-radius: 2px;
  margin: 6px auto 0;
  animation: scroll 2s infinite;
}
@keyframes scroll {
  0%,100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(12px); opacity: 0.3; }
}

/* ===== Values ===== */
.values { padding: 120px 0; background: #F7F9F7; }
.values-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.value-card {
  background: #fff;
  padding: 48px 32px;
  border-radius: 16px;
  border: 1px solid rgba(11,74,58,0.08);
  transition: transform .3s, box-shadow .3s;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(11,74,58,0.08);
}
.value-num {
  font-size: 14px; font-weight: 700; color: #F5A623;
  letter-spacing: 0.1em; margin-bottom: 24px;
}
.value-card h3 {
  font-size: 22px; color: #0B2A1E; margin-bottom: 16px;
  line-height: 1.4;
}
.value-card p { color: #4a5567; font-size: 15px; line-height: 1.7; }

/* ===== Service ===== */
.service { padding: 140px 0; }
.service-features {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 40px;
}
.feature {
  padding: 32px 24px; text-align: left;
  border-top: 2px solid #0B4A3A;
}
.feature svg { margin-bottom: 20px; }
.feature h4 {
  font-size: 18px; color: #0B2A1E; margin-bottom: 10px;
}
.feature p { font-size: 14px; color: #4a5567; line-height: 1.6; }

/* ===== Revenue ===== */
.revenue {
  padding: 140px 0;
  background: linear-gradient(180deg, #F7F9F7 0%, #fff 100%);
}
.revenue-flow {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; flex-wrap: wrap;
  margin-bottom: 80px;
}
.flow-step {
  flex: 0 0 200px;
  padding: 28px 20px;
  background: #fff;
  border: 1.5px solid rgba(11,74,58,0.12);
  border-radius: 14px;
  text-align: center;
  transition: transform .2s;
}
.flow-step.primary { border-color: #0B4A3A; background: #0B4A3A; color: #fff; }
.flow-step.primary .flow-num { color: #F5A623; }
.flow-step.primary p { color: rgba(255,255,255,0.85); }
.flow-step.highlight { border-color: #F5A623; background: #FFF8EE; }
.flow-step.highlight .flow-num { color: #F5A623; }
.flow-num {
  font-size: 12px; font-weight: 700; color: #0B4A3A;
  letter-spacing: 0.15em; margin-bottom: 10px;
}
.flow-step h4 { font-size: 18px; margin-bottom: 10px; }
.flow-step p { font-size: 13px; color: #4a5567; line-height: 1.6; }
.flow-arrow { width: 32px; height: 16px; flex-shrink: 0; }

.revenue-example {
  display: flex; justify-content: center;
}
.example-card {
  max-width: 720px;
  width: 100%;
  padding: 48px 40px;
  background: #0B2A1E;
  color: #fff;
  border-radius: 20px;
  text-align: center;
}
.example-label {
  font-size: 14px; color: rgba(255,255,255,0.7);
  letter-spacing: 0.05em; margin-bottom: 20px;
}
.example-num {
  display: flex; flex-direction: column; align-items: center;
  gap: 6px; margin-bottom: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.example-num strong {
  font-size: clamp(40px, 5vw, 60px);
  font-weight: 800; color: #F5A623;
  letter-spacing: -0.03em;
}
.example-num span { font-size: 15px; color: rgba(255,255,255,0.7); }
.example-sub {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.example-sub div { display: flex; flex-direction: column; gap: 4px; }
.example-sub span { font-size: 12px; color: rgba(255,255,255,0.6); }
.example-sub strong { font-size: 20px; color: #fff; font-weight: 700; }
.example-note {
  font-size: 12px; color: rgba(255,255,255,0.5);
  margin-top: 28px;
}

/* ===== Target ===== */
.target { padding: 140px 0; }
.target-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; margin-bottom: 60px;
}
.target-card {
  overflow: hidden;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(11,74,58,0.08);
  transition: transform .3s, box-shadow .3s;
}
.target-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(11,74,58,0.1);
}
.target-img {
  height: 180px;
  background-size: cover; background-position: center;
  position: relative;
}
.target-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(11,42,30,0.35) 100%);
}
.target-img-1 {
  background-image:
    linear-gradient(135deg, #FFB840 0%, #F5A623 100%),
    linear-gradient(135deg, #0B4A3A 0%, #145A42 100%);
  background-image: linear-gradient(135deg, rgba(11,74,58,0.7), rgba(11,74,58,0.3)), url('https://images.unsplash.com/photo-1611365892117-00ac5ef43c90?auto=format&fit=crop&w=600&q=70');
}
.target-img-2 {
  background-image: linear-gradient(135deg, rgba(11,74,58,0.7), rgba(11,74,58,0.3)), url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&w=600&q=70');
}
.target-img-3 {
  background-image: linear-gradient(135deg, rgba(11,74,58,0.7), rgba(11,74,58,0.3)), url('https://images.unsplash.com/photo-1497435334941-8c899ee9e8e9?auto=format&fit=crop&w=600&q=70');
}
.target-img-4 {
  background-image: linear-gradient(135deg, rgba(11,74,58,0.7), rgba(11,74,58,0.3)), url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?auto=format&fit=crop&w=600&q=70');
}
.target-card h4 {
  padding: 20px 20px 8px;
  font-size: 18px; color: #0B2A1E;
}
.target-card p {
  padding: 0 20px 24px;
  font-size: 14px; color: #4a5567; line-height: 1.6;
}

.target-specs {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(11,74,58,0.1);
  border-radius: 12px;
  overflow: hidden;
}
.spec {
  background: #fff;
  padding: 28px 20px;
  text-align: center;
  display: flex; flex-direction: column; gap: 6px;
}
.spec-label { font-size: 13px; color: #4a5567; }
.spec strong {
  font-size: 18px; color: #0B2A1E; font-weight: 700;
}

/* ===== Process ===== */
.process {
  padding: 140px 0;
  background: #F7F9F7;
}
.process-list {
  max-width: 860px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 24px;
}
.process-list li {
  display: flex; gap: 32px; align-items: flex-start;
  padding: 32px 40px;
  background: #fff;
  border-radius: 14px;
  border: 1px solid rgba(11,74,58,0.08);
  transition: transform .2s, border-color .2s;
}
.process-list li:hover {
  transform: translateX(4px);
  border-color: #0B4A3A;
}
.process-num {
  font-size: 32px; font-weight: 800;
  color: #F5A623;
  letter-spacing: -0.03em;
  min-width: 56px;
  line-height: 1;
}
.process-body { flex: 1; }
.process-body h4 {
  font-size: 20px; color: #0B2A1E; margin-bottom: 8px;
}
.process-body p { color: #4a5567; font-size: 15px; margin-bottom: 12px; }
.process-time {
  display: inline-block;
  padding: 4px 12px;
  background: #0B4A3A; color: #fff;
  font-size: 12px; font-weight: 600;
  border-radius: 999px;
}

/* ===== Record ===== */
.record {
  padding: 140px 0;
  background: #0B2A1E;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.record::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(245,166,35,0.15) 0%, transparent 50%);
}
.record .container { position: relative; }
.record-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; margin-bottom: 80px;
}
.record-card {
  padding: 40px 28px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  text-align: center;
}
.record-card strong {
  display: block;
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  color: #F5A623;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.record-card span { font-size: 14px; color: rgba(255,255,255,0.7); }

.record-logos {
  padding-top: 60px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}
.record-logos p {
  font-size: 13px; letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 28px;
  text-transform: uppercase;
}
.logo-row {
  display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
}
.logo-row span {
  font-size: 18px; font-weight: 600;
  color: rgba(255,255,255,0.4);
  letter-spacing: -0.01em;
}

/* ===== FAQ ===== */
.faq { padding: 140px 0; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-list details {
  border-bottom: 1px solid rgba(11,74,58,0.12);
  padding: 24px 0;
}
.faq-list summary {
  font-size: 17px; font-weight: 600;
  color: #0B2A1E;
  cursor: pointer;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: '+';
  font-size: 24px; font-weight: 300;
  color: #F5A623;
  transition: transform .2s;
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p {
  margin-top: 16px;
  color: #4a5567; font-size: 15px; line-height: 1.7;
}

/* ===== Contact ===== */
.contact {
  padding: 140px 0;
  background: linear-gradient(135deg, #0B2A1E 0%, #0B4A3A 100%);
  color: #fff;
}
.contact-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
  min-width: 0;
}
.contact-inner > * { min-width: 0; }
.contact-copy .eyebrow { color: #F5A623; }
.contact-copy h2 {
  font-size: clamp(32px, 3.6vw, 48px);
  line-height: 1.2;
  color: #fff;
  margin-bottom: 20px;
}
.contact-copy .lead {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 48px;
}
.contact-info {
  display: flex; flex-direction: column; gap: 24px;
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.contact-info > div {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 20px;
}
.contact-info span {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
}
.contact-info a, .contact-info strong {
  font-size: 20px; font-weight: 700;
  color: #fff;
}
.contact-info a:hover { color: #F5A623; }

.contact-form {
  background: #fff;
  color: #1a1f2e;
  padding: 40px;
  border-radius: 16px;
  display: flex; flex-direction: column; gap: 20px;
  min-width: 0; max-width: 100%; overflow: hidden;
  box-sizing: border-box;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; min-width: 0; }
.form-row > label { min-width: 0; }
.contact-form label {
  display: flex; flex-direction: column; gap: 8px;
  font-size: 13px; font-weight: 600; color: #2d3748;
}
.contact-form label span i {
  color: #F5A623; font-style: normal;
}
.contact-form input, .contact-form select, .contact-form textarea {
  font-family: inherit; font-size: 15px;
  padding: 12px 14px;
  border: 1.5px solid #e2e8f0;
  border-radius: 8px;
  background: #fff;
  color: #1a1f2e;
  transition: border-color .15s;
  width: 100%; min-width: 0; max-width: 100%;
  box-sizing: border-box;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: #0B4A3A;
}
.contact-form textarea { resize: vertical; min-height: 100px; }
.agree {
  flex-direction: row !important; align-items: center; gap: 10px !important;
  font-weight: 400 !important; font-size: 13px !important;
  color: #4a5567 !important;
}
.agree input { width: 16px; height: 16px; accent-color: #0B4A3A; }

/* ===== Footer ===== */
.site-footer {
  background: #071a13;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 40px;
}
.footer-inner {
  display: grid; grid-template-columns: 1fr 2fr 1fr;
  gap: 40px; align-items: start;
}
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer-brand strong {
  font-size: 22px; color: #fff; font-weight: 800;
  letter-spacing: -0.02em;
}
.footer-brand p { font-size: 13px; color: rgba(255,255,255,0.5); }
.footer-info p { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,0.6); }
.footer-info .copy {
  margin-top: 16px;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}
.footer-links {
  display: flex; gap: 20px; justify-content: flex-end;
}
.footer-links a {
  font-size: 13px; color: rgba(255,255,255,0.6);
}
.footer-links a:hover { color: #F5A623; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; background: #fff; padding: 24px;
    border-bottom: 1px solid rgba(11,74,58,0.08); gap: 20px;
  }
  .nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero { padding: 140px 0 90px; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .values-grid, .service-features, .target-grid, .record-grid { grid-template-columns: repeat(2, 1fr); }
  .revenue-flow .flow-arrow { transform: rotate(90deg); }
  .flow-step { flex: 0 0 85%; }
  .target-specs { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { grid-template-columns: 1fr; text-align: left; }
  .footer-links { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .hero-stats strong { font-size: 22px; }
  .hero-stats span { font-size: 11px; }
  .values-grid, .service-features, .target-grid, .record-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .process-list li { padding: 24px; gap: 20px; flex-direction: column; }
  .example-sub { grid-template-columns: 1fr; gap: 16px; }
  .contact-form { padding: 28px 20px; }
  .container { padding: 0 20px; }
}