/* ============================================================
   Design tokens — benchmarked from apsc.kr
   ============================================================ */
:root {
  --blue: #1f61f1;
  --blue-bright: #1a7efb;
  --blue-press: #1545cc;
  --navy-deep: #1a388e;
  --near-black: #0a0a0a;
  --orange: #ff6a00;

  --ink: #404040;
  --ink-soft: #606266;
  --off-white: #f9f9f9;
  --white: #ffffff;
  --surface: #f9f9fa;
  --surface-2: #f5f5f5;
  --line: #dadbdd;

  --r-sm: 3px;
  --r-md: 7px;
  --r-lg: 12px;

  --max-width: 1200px;
  --font: "Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont,
    "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;

  --shadow-1: 0 2px 8px rgba(10, 10, 10, 0.06);
  --shadow-2: 0 12px 32px rgba(10, 10, 10, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.6;
  background: var(--white);
  font-weight: 400;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.tnum { font-feature-settings: "tnum"; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

.logo { font-weight: 700; font-size: 1.02rem; color: var(--ink); white-space: nowrap; }
.logo span { color: var(--blue); }

.nav-links { display: flex; gap: 26px; flex: 1; justify-content: center; }

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}

.nav-links a:hover { color: var(--blue); border-color: var(--blue); }
.nav-cta { white-space: nowrap; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }

/* ============================================================
   Buttons — rounded-rect, blue fill
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: var(--r-md);
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-press); box-shadow: var(--shadow-2); }

.btn-outline-dark {
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-outline-dark:hover { background: rgba(255, 255, 255, 0.14); }

.btn-lg { padding: 13px 28px; font-size: 1rem; }
.btn-block { width: 100%; text-align: center; }

/* ============================================================
   Hero — dark full-bleed background, orange emphasis
   ============================================================ */
.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 140px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(5, 8, 15, 0.88) 0%, rgba(5, 8, 15, 0.72) 42%, rgba(5, 8, 15, 0.32) 75%, rgba(5, 8, 15, 0.15) 100%),
    linear-gradient(0deg, rgba(5, 8, 15, 0.5) 0%, rgba(5, 8, 15, 0) 35%),
    url("assets/hero-photo.jpg");
  background-size: cover;
  background-position: center;
}

.hero-inner { position: relative; z-index: 1; max-width: 640px; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 5px 14px;
  border-radius: var(--r-sm);
  margin: 0 0 18px;
}

.eyebrow-dark {
  background: rgba(255, 255, 255, 0.1);
  color: #cfe0ff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.hero h1 {
  font-weight: 700;
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  line-height: 1.28;
  letter-spacing: -0.5px;
  margin: 0 0 20px;
  color: var(--off-white);
}

.hero h1 .accent { color: var(--orange); }

.hero-tagline {
  color: var(--orange);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 0 0 14px;
}

.hero-sub {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.02rem;
  line-height: 1.6;
  max-width: 560px;
  margin: 0 0 36px;
}

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

/* ============================================================
   Page header — compact banner for sub-pages (e.g. about.html)
   ============================================================ */
.page-header {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 56px;
}

.page-header .hero-bg { opacity: 0.95; }

.page-header .hero-inner { max-width: 720px; }

.page-header h1 {
  font-weight: 700;
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  line-height: 1.3;
  letter-spacing: -0.4px;
  margin: 0 0 16px;
  color: var(--off-white);
}

/* Mission intro */
.mission-text {
  max-width: 760px;
  margin: 0 auto;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.8;
}

.mission-text p { margin: 0 0 20px; }
.mission-text p:last-child { margin-bottom: 0; }

/* Business area cards reuse .segment-card; bullet list inside */
.area-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.area-list li {
  color: var(--ink-soft);
  font-size: 0.88rem;
  padding-left: 14px;
  position: relative;
}

.area-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

.area-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--blue);
  background: rgba(31, 97, 241, 0.08);
  padding: 3px 10px;
  border-radius: var(--r-sm);
  margin: 0 0 14px;
}

/* Strength band — dark section with checklist */
.strength-band { background: var(--near-black); }

.strength-list {
  list-style: none;
  padding: 0;
  margin: 48px 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.strength-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
}

.strength-mark {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

.strength-item p { margin: 0; color: rgba(255, 255, 255, 0.75); font-size: 0.92rem; line-height: 1.6; }

.scroll-cue {
  position: absolute;
  right: 40px;
  bottom: 40px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.scroll-cue i {
  width: 1px;
  height: 36px;
  background: linear-gradient(rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0));
}

/* ============================================================
   Sections
   ============================================================ */
.section { padding: 88px 0; }
.section-alt { background: var(--surface); }

.section-eyebrow {
  display: block;
  width: fit-content;
  margin: 0 auto 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--blue);
  background: rgba(31, 97, 241, 0.08);
  padding: 5px 14px;
  border-radius: var(--r-sm);
}

.section-eyebrow-dark { color: #cfe0ff; background: rgba(255, 255, 255, 0.1); }

.section-title {
  font-weight: 700;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  letter-spacing: -0.3px;
  color: var(--ink);
  text-align: center;
  margin: 0 0 16px;
}

.section-title-dark { color: var(--white); }

.section-lead {
  text-align: center;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto 40px;
}

/* ============================================================
   Segment cards
   ============================================================ */
.grid { display: grid; gap: 24px; margin-top: 40px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.segment-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-1);
  transition: box-shadow 0.2s, transform 0.2s;
}

.segment-card:hover { box-shadow: var(--shadow-2); transform: translateY(-3px); }

.segment-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue);
  margin: 0 0 10px;
}

.segment-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
}

.segment-desc { color: var(--ink-soft); font-size: 0.9rem; margin: 0 0 18px; }

.segment-link { color: var(--blue); font-weight: 600; font-size: 0.9rem; }
.segment-link:hover { color: var(--blue-press); }

/* ============================================================
   Value band — dark navy stats
   ============================================================ */
.value-band {
  background: var(--navy-deep);
  padding: 80px 0;
}

.value-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
  text-align: center;
}

.value-stat { display: flex; flex-direction: column; gap: 10px; }

.value-num {
  font-size: 3rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -1px;
}

.value-num em { font-style: normal; font-size: 1.4rem; font-weight: 500; margin-left: 4px; color: #cfe0ff; }

.value-caption { color: rgba(255, 255, 255, 0.65); font-size: 0.9rem; }

/* ============================================================
   Process grid
   ============================================================ */
.process-grid {
  list-style: none;
  padding: 0;
  margin: 48px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 32px;
}

.process-grid li {
  border-top: 2px solid var(--blue);
  padding-top: 18px;
}

.process-index {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--blue);
  font-feature-settings: "tnum";
}

.process-grid h3 { font-size: 1.05rem; font-weight: 700; color: var(--ink); margin: 10px 0 8px; }
.process-grid p { color: var(--ink-soft); font-size: 0.9rem; margin: 0; }

/* ============================================================
   Feature band (trio) — English eyebrow + Korean heading
   ============================================================ */
.feature-band { background: var(--near-black); }

.feature-item { padding: 8px; }

.feature-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue-bright);
  margin: 0 0 16px;
}

.feature-item h3 {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
  margin: 0 0 14px;
}

.feature-item p { color: rgba(255, 255, 255, 0.6); font-size: 0.92rem; margin: 0; }

/* ============================================================
   Pain points
   ============================================================ */
.pain-section { background: var(--surface-2); }

.pain-card {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 30px 26px;
  border: 1px solid var(--line);
}

.pain-quote {
  font-weight: 700;
  color: var(--ink);
  font-size: 1rem;
  margin: 0 0 14px;
  line-height: 1.5;
}

.pain-answer {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

/* ============================================================
   Service cards
   ============================================================ */
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 30px 26px;
  box-shadow: var(--shadow-1);
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover { box-shadow: var(--shadow-2); transform: translateY(-3px); }
.card h3 { font-size: 1.05rem; font-weight: 700; color: var(--ink); margin: 0 0 10px; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.9rem; }

/* ============================================================
   Funding detail pages — definition + feature cards + spec table
   ============================================================ */
.funding-intro {
  max-width: 760px;
  margin: 0 auto;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.8;
  text-align: center;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 32px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.detail-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

.detail-table th, .detail-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 0.92rem;
  vertical-align: top;
}

.detail-table tr:last-child th, .detail-table tr:last-child td { border-bottom: none; }

.detail-table th {
  background: var(--surface);
  color: var(--ink);
  font-weight: 700;
  width: 160px;
  white-space: nowrap;
}

.detail-table td { color: var(--ink-soft); line-height: 1.6; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 760px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px 20px;
}

.faq-item summary { cursor: pointer; font-weight: 600; color: var(--ink); list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after { content: "+"; float: right; color: var(--blue); font-weight: 700; }
.faq-item[open] summary::after { content: "−"; }

.faq-item p { margin: 12px 0 0; color: var(--ink-soft); font-size: 0.9rem; }

/* ============================================================
   Final CTA — near-black section with contact form
   ============================================================ */
.cta-section {
  background: var(--near-black);
  padding: 96px 0;
}

.cta-inner { text-align: center; }

.cta-title {
  color: var(--white);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 16px;
}

.cta-sub {
  color: rgba(255, 255, 255, 0.6);
  max-width: 560px;
  margin: 0 auto 48px;
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  text-align: left;
  align-items: start;
}

.contact-info ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 18px; }

.contact-info li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.85);
}

.contact-info li a:hover { color: var(--blue-bright); }

.contact-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--blue-bright);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact-form {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-2);
}

.form-thanks {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 48px 32px;
  box-shadow: var(--shadow-2);
  text-align: center;
  animation: fadeIn 0.4s ease;
}

.form-thanks p {
  margin: 0;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.7;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-size: 0.85rem; font-weight: 600; color: var(--ink); }

.form-row input[type="text"],
.form-row input[type="tel"],
.form-row textarea {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 10px 12px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink-soft);
  resize: vertical;
}

.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(31, 97, 241, 0.15);
}

.radio-row { display: flex; gap: 18px; flex-wrap: wrap; }
.radio-row label { display: flex; align-items: center; gap: 6px; font-size: 0.9rem; font-weight: 400; color: var(--ink-soft); }

.consent-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.form-status {
  margin: 0;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.form-status a { color: var(--blue); font-weight: 600; }

/* ============================================================
   Footer — minimal
   ============================================================ */
.site-footer { background: var(--near-black); padding: 56px 24px 40px; }

.footer-inner { max-width: var(--max-width); margin: 0 auto; }

.footer-caption {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue-bright);
  margin: 0 0 16px;
}

.footer-main strong { color: var(--white); font-size: 1rem; }
.footer-main p { margin: 6px 0 0; font-size: 0.85rem; color: rgba(255, 255, 255, 0.55); }

.copyright {
  display: block;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr; }
  .value-stats { grid-template-columns: 1fr; gap: 40px; }
  .process-grid { grid-template-columns: 1fr; }
  .cta-grid { grid-template-columns: 1fr; }
  .strength-list { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--line);
    gap: 16px;
  }

  .hero, .page-header { min-height: unset; padding: 110px 0 64px; }
  .scroll-cue { display: none; }
  .section { padding: 64px 0; }
  .value-band, .cta-section { padding: 64px 0; }
}