/* Hero */
.hero {
  position: relative;
  /* Option 2: show more video by reducing vertical padding */
  padding: calc(var(--space-8) + 12px) 0 var(--space-7);
  overflow: hidden;
  /* Almost full-screen hero (account for sticky header) */
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
}

.hero .container {
  width: 100%;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  /* Fallback background while video/poster loads */
  background: linear-gradient(135deg, #001D3D 0%, #003876 55%, #0B1220 100%);
}

.hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  /* Keep original video look/sharpness */
  filter: none;
}

.hero-simple {
  max-width: min(84ch, 96vw);
  color: #ffffff;
  padding: clamp(16px, 2.6vw, 22px);
  border-radius: 22px;
  border: 1px solid rgba(226, 232, 240, 0.14);
  /* Simple, non-metal look: a single translucent surface */
  background: rgba(2, 6, 23, 0.16);
  box-shadow: var(--shadow-sm);
}

.hero-simple--center {
  margin: 0 auto;
  text-align: center;
}

/* Subpage header */
.page-hero {
  padding: calc(var(--space-7) + 8px) 0 var(--space-5);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.page-hero--home {
  padding: calc(var(--space-7) + 16px) 0 var(--space-7);
}

.home-intro {
  text-align: center;
}

.home-title {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  margin: 14px 0 10px;
  font-size: clamp(2.05rem, 4.2vw, 3.0rem);
  line-height: 1.08;
  word-break: keep-all;
  overflow-wrap: normal;
  text-wrap: balance;
}

.home-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.page-hero h1 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  margin: 14px 0 10px;
  font-size: clamp(2.0rem, 4vw, 2.7rem);
}

.page-hero p {
  margin: 0;
  color: var(--muted);
  max-width: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  /* Stronger overlay for readability without a hero box */
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0.55) 0%, rgba(2, 6, 23, 0.28) 45%, rgba(2, 6, 23, 0.35) 100%);
}

.hero-content {
  max-width: min(92ch, 96vw);
  color: #ffffff;
}

.hero-content--center {
  margin: 0 auto;
  text-align: center;
  transform: translateY(-16px);
}

@media (max-width: 520px) {
  .hero-content--center {
    transform: translateY(-10px);
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: end;
}

.hero-card {
  border-radius: 22px;
  border: 1px solid rgba(226, 232, 240, 0.20);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
  padding: clamp(18px, 3vw, 26px);
  color: #ffffff;
}

/* Intentionally avoid glass/metal blur effects */

.hero-title {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  line-height: 1.08;
  font-size: clamp(1.95rem, 4.2vw, 3.25rem);
  margin: 14px 0 10px;
  text-shadow: 0 8px 24px rgba(2, 6, 23, 0.35);
  /* Better-looking wrapping for Korean/English mixed titles */
  word-break: keep-all;
  overflow-wrap: normal;
  text-wrap: balance;
}

@media (max-width: 420px) {
  .hero-title {
    /* On very small screens, allow emergency breaks to prevent overflow */
    word-break: break-word;
    overflow-wrap: anywhere;
  }
}

.hero-subtitle {
  margin: 0;
  color: rgba(226, 232, 240, 0.92);
  font-size: clamp(1.02rem, 2vw, 1.18rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  max-width: 65ch;
  text-shadow: 0 8px 24px rgba(2, 6, 23, 0.28);
}

.hero-content--center .hero-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* Hero kicker should be transparent (no white pill) */
.hero .kicker {
  background: transparent;
  color: rgba(226, 232, 240, 0.95);
  border-color: rgba(226, 232, 240, 0.22);
}

.hero .kicker-dot {
  box-shadow: 0 0 0 6px rgba(61, 123, 255, 0.22);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero-actions--center {
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(226, 232, 240, 0.30);
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.btn:hover { background: rgba(255, 255, 255, 0.18); transform: translateY(-1px); box-shadow: 0 10px 30px rgba(2, 6, 23, 0.18); }
.btn:focus { outline: none; box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.35); }

.btn--solid {
  background: #ffffff;
  color: #0b1220;
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--solid:hover { background: rgba(255, 255, 255, 0.92); }

/* Dark-background secondary CTA */
.btn--outline {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.70);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.22);
}

/* Buttons for light sections */
.btn--brand {
  background: var(--brand);
  color: #ffffff;
  border-color: rgba(0, 56, 118, 0.35);
}

.btn--brand:hover {
  background: #002f61;
}

/* Buttons on light surfaces */
.btn--soft {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}

.btn--soft:hover {
  background: #e9f1ff;
  box-shadow: var(--shadow-sm);
}

/* Home page */
.home-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  margin-top: var(--space-6);
  align-items: start;
}

@media (min-width: 980px) {
  .home-split {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.feature-list {
  display: grid;
  gap: 10px;
  margin-top: var(--space-6);
}

.feature {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--brand);
  background: rgba(0, 56, 118, 0.08);
  border: 1px solid rgba(0, 56, 118, 0.14);
}

.feature-title {
  margin: 0;
  font-weight: 850;
  letter-spacing: -0.01em;
  font-size: 1.02rem;
}

.feature-text {
  margin: 4px 0 0;
  color: var(--muted);
}

.home-panel {
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface);
  padding: 18px;
  box-shadow: none;
}

.home-links {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  gap: 10px;
}

.home-link {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  text-decoration: none;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.home-link:hover {
  background: var(--surface-2);
  border-color: rgba(61, 123, 255, 0.22);
}

.home-link span:first-child {
  font-weight: 800;
  letter-spacing: -0.01em;
}

.home-link-sub {
  color: var(--muted-2);
  font-weight: 650;
  font-size: 0.92rem;
}

.home-cta {
  margin-top: var(--space-6);
  display: flex;
  gap: 10px;
}

.home-cta--center {
  justify-content: center;
}

.home-cta--wrap {
  flex-wrap: wrap;
  gap: 20px;
}

.pub-years {
  display: grid;
  gap: var(--space-5);
}

.pub-year-title {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  font-size: 1.2rem;
  margin: 0 0 6px;
}

.pub-note {
  font-weight: 700;
  color: var(--muted-2);
}

.hero-meta {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  color: rgba(226, 232, 240, 0.9);
  font-size: 0.98rem;
}

.meta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(226, 232, 240, 0.22);
  background: rgba(2, 6, 23, 0.18);
}

@media (min-width: 920px) {
  .hero-grid { grid-template-columns: 1.15fr 0.85fr; align-items: center; }
}