/* ================================================
   METAGATE DTTC - 공통 스타일시트
   Brand: Navy #0D2A5C / Orange #E85D1B / BG #F5F7FA
   Font: Pretendard (KR), Inter (EN)
================================================ */

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  color: #1a2b4a;
  background: #F5F7FA;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* CSS Variables */
:root {
  --navy: #0D2A5C;
  --navy-dark: #081A3C;
  --navy-light: #1B4481;
  --orange: #E85D1B;
  --orange-dark: #C04A10;
  --bg: #F5F7FA;
  --white: #ffffff;
  --gray-100: #EEF1F5;
  --gray-200: #D9DFE6;
  --gray-400: #8592A3;
  --gray-600: #4A5568;
  --text: #1a2b4a;
  --radius: 10px;
  --shadow-sm: 0 2px 8px rgba(13, 42, 92, 0.06);
  --shadow: 0 6px 24px rgba(13, 42, 92, 0.08);
  --shadow-lg: 0 12px 40px rgba(13, 42, 92, 0.14);
  --container: 1200px;
  --radius-sm: 6px;
}

/* Pretendard Web Font */
@font-face {
  font-family: 'Pretendard';
  font-weight: 45 920;
  font-style: normal;
  font-display: swap;
  src: url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/PretendardVariable.woff2') format('woff2-variations');
}

/* Layout */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-navy { background: var(--navy); color: var(--white); }
.section-bg { background: var(--bg); }

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 16px;
  letter-spacing: -0.03em;
  line-height: 1.25;
}
.section-title.on-navy { color: var(--white); }
.section-subtitle {
  font-size: 17px;
  color: var(--gray-600);
  margin-bottom: 48px;
  max-width: 720px;
}
.section-subtitle.on-navy { color: rgba(255,255,255,0.75); }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 14px;
}

/* Header / Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--gray-200);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.nav-logo-mark {
  width: 36px; height: 36px;
  background: var(--navy);
  color: var(--white);
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-family: 'Inter', sans-serif;
  font-weight: 900;
  font-size: 14px;
  letter-spacing: -0.02em;
}
.nav-logo small {
  display: block;
  font-size: 11px;
  color: var(--gray-400);
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-top: -2px;
}
.nav-menu {
  display: flex;
  gap: 8px;
  align-items: center;
  list-style: none;
}
.nav-menu a {
  display: inline-block;
  padding: 10px 14px;
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  border-radius: 8px;
  transition: background 0.18s, color 0.18s;
}
.nav-menu a:hover { color: var(--navy); background: var(--gray-100); }
.nav-menu a.active { color: var(--orange); }
.nav-cta {
  background: var(--orange);
  color: var(--white) !important;
  padding: 10px 18px !important;
  border-radius: 8px;
  font-weight: 700;
}
.nav-cta:hover { background: var(--orange-dark) !important; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: 8px;
  color: var(--navy);
}
.nav-toggle:hover { background: var(--gray-100); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 6px 18px rgba(232, 93, 27, 0.28);
}
.btn-primary:hover {
  background: var(--orange-dark);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(232, 93, 27, 0.36);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.85);
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); }
.btn-outline-navy {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline-navy:hover { background: var(--navy); color: var(--white); }
.btn-navy {
  background: var(--navy);
  color: var(--white);
}
.btn-navy:hover { background: var(--navy-dark); transform: translateY(-1px); }
.btn-lg { padding: 16px 32px; font-size: 16px; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #081A3C 0%, #0D2A5C 50%, #1B4481 100%);
  color: var(--white);
  padding: 120px 0 140px;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(232, 93, 27, 0.16), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(27, 68, 129, 0.4), transparent 40%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 40 40'><path d='M0 0h40v40H0z' fill='none'/><path d='M0 0h40M0 10h40M0 20h40M0 30h40M0 0v40M10 0v40M20 0v40M30 0v40' stroke='rgba(255,255,255,0.04)' stroke-width='1'/></svg>");
  opacity: 0.6;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  backdrop-filter: blur(6px);
}
.hero-badge .dot {
  width: 7px; height: 7px;
  background: var(--orange);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(232, 93, 27, 0.2);
}
.hero-title {
  font-size: clamp(34px, 5.4vw, 60px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.04em;
  margin-bottom: 22px;
  max-width: 880px;
}
.hero-title .accent { color: var(--orange); }
.hero-subtitle {
  font-size: clamp(15px, 1.6vw, 19px);
  color: rgba(255, 255, 255, 0.82);
  max-width: 680px;
  margin-bottom: 38px;
  line-height: 1.6;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Subpage Hero */
.page-hero {
  background: linear-gradient(135deg, #081A3C 0%, #0D2A5C 100%);
  color: var(--white);
  padding: 72px 0 60px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(232, 93, 27, 0.12), transparent 50%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.page-hero p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 720px;
}

/* Breadcrumb */
.breadcrumb {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.75); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb .sep { margin: 0 8px; opacity: 0.5; }

/* KPI / Stats Counter */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 44px 0;
}
.stat {
  text-align: center;
  padding: 24px 12px;
}
.stat-num {
  font-family: 'Inter', 'Pretendard', sans-serif;
  font-size: 52px;
  font-weight: 900;
  color: var(--orange);
  letter-spacing: -0.04em;
  line-height: 1;
  display: block;
}
.stat-unit {
  display: inline-block;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-left: 4px;
}
.stat-label {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  font-weight: 500;
}
.stats-navy .stat-num { color: var(--orange); }
.stats-navy .stat-label { color: rgba(255,255,255,0.78); }

/* Grid cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--gray-200);
}
.card-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  font-size: 26px;
}
.card-icon.orange {
  background: linear-gradient(135deg, var(--orange) 0%, #F2823B 100%);
}
.card h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.card p {
  color: var(--gray-600);
  font-size: 15px;
}
.card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  color: var(--orange);
  font-weight: 700;
  font-size: 14px;
}
.card .card-link::after {
  content: '→';
  transition: transform 0.2s;
}
.card:hover .card-link::after { transform: translateX(4px); }

/* Course cards */
.course-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.course-card-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 24px 28px;
  position: relative;
}
.course-code {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--orange);
  text-transform: uppercase;
}
.course-card-header h3 {
  font-size: 22px;
  font-weight: 800;
  margin-top: 6px;
  letter-spacing: -0.02em;
}
.course-card-body {
  padding: 24px 28px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
.chip {
  display: inline-block;
  padding: 5px 12px;
  background: var(--gray-100);
  color: var(--navy);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.chip-orange { background: rgba(232, 93, 27, 0.1); color: var(--orange); }
.course-card-body p {
  color: var(--gray-600);
  font-size: 15px;
  margin-bottom: 20px;
  flex: 1;
}
.course-card-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.course-card-footer a {
  color: var(--orange);
  font-weight: 700;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.course-card-footer a::after { content: '→'; transition: transform 0.2s; }
.course-card:hover .course-card-footer a::after { transform: translateX(4px); }

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
  padding: 12px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.filter-btn {
  padding: 10px 18px;
  background: transparent;
  color: var(--gray-600);
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.15s;
}
.filter-btn:hover { background: var(--gray-100); }
.filter-btn.active { background: var(--navy); color: var(--white); }

/* Trust section - logos */
.trust-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 48px;
  padding: 32px 0;
}
.trust-logo {
  padding: 12px 28px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-weight: 700;
  color: var(--navy);
  font-size: 16px;
  letter-spacing: -0.02em;
  min-width: 160px;
  text-align: center;
}

/* Testimonial */
.quote {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--orange);
}
.quote p {
  font-size: 17px;
  color: var(--text);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 16px;
}
.quote-author {
  font-size: 14px;
  color: var(--gray-600);
  font-weight: 600;
}
.quote-author strong { color: var(--navy); display: block; margin-bottom: 2px; }

/* Timeline / Roadmap */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.timeline-step {
  background: var(--white);
  padding: 28px;
  border-radius: var(--radius);
  border-top: 4px solid var(--orange);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.timeline-step .step-num {
  font-family: 'Inter', sans-serif;
  font-weight: 900;
  font-size: 14px;
  color: var(--orange);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.timeline-step h4 {
  font-size: 18px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 6px;
}
.timeline-step .period { font-size: 13px; color: var(--gray-400); margin-bottom: 12px; display: block; font-weight: 500; }
.timeline-step p { color: var(--gray-600); font-size: 14px; }

/* Table */
.table-wrap {
  background: var(--white);
  border-radius: var(--radius);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}
table.dttc-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
table.dttc-table th {
  background: var(--navy);
  color: var(--white);
  padding: 16px 20px;
  text-align: left;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.01em;
}
table.dttc-table td {
  padding: 16px 20px;
  border-top: 1px solid var(--gray-100);
  font-size: 15px;
}
table.dttc-table tr:hover td { background: #FAFBFD; }
table.dttc-table .code-col {
  font-family: 'Inter', monospace;
  font-weight: 700;
  color: var(--orange);
}

/* Feature list */
.feature-list {
  list-style: none;
  padding: 0;
}
.feature-list li {
  position: relative;
  padding: 14px 0 14px 34px;
  font-size: 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--text);
}
.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 14px;
  width: 22px; height: 22px;
  background: var(--orange);
  color: var(--white);
  font-size: 13px;
  font-weight: 800;
  border-radius: 50%;
  display: grid;
  place-items: center;
}

/* Forms */
.form-card {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.form-group label .req { color: var(--orange); margin-left: 4px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  background: #FAFBFD;
  transition: border-color 0.15s, background 0.15s;
  color: var(--text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--orange);
  background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group .help { font-size: 13px; color: var(--gray-400); margin-top: 6px; }
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.radio-group label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
  border: 1.5px solid transparent;
}
.radio-group input { width: auto; }
.radio-group label:has(input:checked) {
  border-color: var(--orange);
  background: rgba(232, 93, 27, 0.08);
  color: var(--orange);
}
.checkbox-row { display: flex; align-items: flex-start; gap: 10px; margin-top: 8px; font-size: 14px; color: var(--gray-600); }
.checkbox-row input { margin-top: 3px; }
.form-submit { margin-top: 24px; width: 100%; }

.form-success, .form-error {
  display: none;
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: 8px;
  font-size: 14px;
}
.form-success { background: #E7F6EE; color: #0A6D40; border: 1px solid #B6E3C9; }
.form-error { background: #FCE8E6; color: #A3281B; border: 1px solid #F5BFB9; }

/* CTA Band */
.cta-band {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 90% 30%, rgba(232, 93, 27, 0.22), transparent 50%);
}
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 {
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}
.cta-band p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 32px;
  max-width: 620px;
  margin-left: auto; margin-right: auto;
}
.cta-band .btn-group { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

/* Footer */
.site-footer {
  background: #0A1E42;
  color: rgba(255, 255, 255, 0.72);
  padding: 64px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand { font-weight: 800; color: var(--white); font-size: 20px; margin-bottom: 12px; }
.footer-brand small { display: block; font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.55); margin-top: 4px; }
.footer-col p { font-size: 14px; line-height: 1.7; margin-bottom: 8px; }
.footer-col h5 { color: var(--white); font-size: 14px; font-weight: 700; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { font-size: 14px; color: rgba(255,255,255,0.72); transition: color 0.15s; }
.footer-col ul a:hover { color: var(--orange); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
  gap: 12px;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px; right: 20px;
  max-width: 600px;
  margin: 0 auto;
  background: var(--navy-dark);
  color: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}
.cookie-banner.hidden { display: none; }
.cookie-banner button {
  background: var(--orange);
  color: var(--white);
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
}

/* Simulator specific */
.sim-wrap {
  background: #0A1E42;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}
.sim-hud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding: 16px 22px;
  background: rgba(255,255,255,0.05);
  color: var(--white);
  font-family: 'Inter', monospace;
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sim-hud span { display: inline-flex; align-items: center; gap: 8px; }
.sim-hud span strong { color: var(--orange); font-weight: 700; letter-spacing: 0.04em; }
#sim-canvas { display: block; width: 100%; height: 480px; background: #000; }
.sim-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 22px;
  background: rgba(0, 0, 0, 0.35);
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  flex-wrap: wrap;
  gap: 12px;
}
.sim-controls .keys {
  display: flex;
  gap: 14px;
  font-family: 'Inter', monospace;
}
.sim-controls kbd {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--white);
  margin-right: 4px;
}
.sim-phase-bar {
  display: flex;
  padding: 0;
  background: rgba(0,0,0,0.35);
  overflow-x: auto;
}
.sim-phase {
  flex: 1;
  min-width: 120px;
  padding: 14px 16px;
  color: rgba(255,255,255,0.55);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.08);
  position: relative;
}
.sim-phase:last-child { border-right: none; }
.sim-phase.active {
  color: var(--white);
  background: rgba(232, 93, 27, 0.28);
}
.sim-phase.active::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 3px;
  background: var(--orange);
}
.sim-phase .num {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  opacity: 0.7;
  margin-bottom: 2px;
  letter-spacing: 0.1em;
}

/* Alert / Notice box */
.notice {
  padding: 20px 24px;
  border-radius: var(--radius);
  background: rgba(232, 93, 27, 0.08);
  border-left: 4px solid var(--orange);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}
.notice.navy {
  background: rgba(13, 42, 92, 0.06);
  border-left-color: var(--navy);
}
.notice strong { color: var(--navy); }

/* Badge */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(232, 93, 27, 0.1);
  color: var(--orange);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

/* Two-col layout */
.two-col {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
}
.two-col h2 { font-size: 32px; font-weight: 800; color: var(--navy); letter-spacing: -0.03em; margin-bottom: 14px; }
.two-col p { color: var(--gray-600); font-size: 16px; margin-bottom: 14px; line-height: 1.7; }
.two-col .visual {
  background: linear-gradient(135deg, #0D2A5C 0%, #1B4481 100%);
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.two-col .visual::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 30% 30%, rgba(232, 93, 27, 0.25), transparent 50%),
    linear-gradient(60deg, transparent 40%, rgba(255,255,255,0.06) 50%, transparent 60%);
}
.two-col .visual-label {
  position: absolute;
  left: 24px; bottom: 24px;
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.8;
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .section { padding: 72px 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .two-col .visual { max-width: 520px; }
}
@media (max-width: 720px) {
  .nav-toggle { display: grid; place-items: center; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { width: 100%; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 28px 22px; }
  .hero { padding: 80px 0 100px; }
  .section-title { font-size: 28px; }
  .stat-num { font-size: 42px; }
  .stats { grid-template-columns: 1fr 1fr; gap: 12px; padding: 20px 0; }
  .timeline { grid-template-columns: 1fr; }
  #sim-canvas { height: 360px; }
  .sim-phase { min-width: 110px; font-size: 12px; }
}