/* ============================================================
   dotslink — Editorial monochrome website system
   Reference: warm-gray canvas / white & black card contrast /
   flat surfaces (no borders, no shadows) / oversized confident
   typography / floating pill navigation.
   Adapted for Korean (Pretendard) readability.
   ============================================================ */

:root {
  /* Core surfaces */
  --color-canvas: #eeece7;        /* warm gray page background, never pure white */
  --color-card: #ffffff;          /* white content surfaces lifted from canvas */
  --color-mist: #f4f2ed;          /* one step lighter than canvas, subtle panels */
  --color-ink: #111111;           /* near-black — headings, primary text, dark blocks */
  --color-muted: #5f5d57;         /* secondary body text */
  --color-faint: #98958c;         /* tertiary / meta text */
  --color-line: #dcd9d1;          /* rare hairline, used only inside tables */

  /* Brand accent — single controlled color, used sparingly */
  --color-accent: #d9560c;
  --color-accent-soft: #f6e2cf;

  /* Fonts */
  --font-sans: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont,
    'Apple SD Gothic Neo', 'Malgun Gothic', system-ui, Roboto, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', ui-serif, Georgia, serif; /* English-only accents */
  --font-mono: 'JetBrains Mono', 'Pretendard Variable', 'Pretendard', ui-monospace, sans-serif;

  /* Spacing */
  --space-8: 8px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
  --space-80: 80px;
  --space-96: 96px;

  /* Radius — large & deliberate */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-xl: 48px;
  --radius-pill: 9999px;

  --page-max-width: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  word-break: keep-all;
  color: var(--color-ink);
}
p { margin: 0; word-break: keep-all; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }

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

section {
  padding: var(--space-80) 0;
}

/* Full-bleed inverted (black) section wrapper */
.section-invert {
  background: var(--color-ink);
  color: #f2f2f0;
}
.section-invert h2, .section-invert h3, .section-invert h4 { color: #ffffff; }

/* ---------- Section header pattern (lighter touch, no bullet+box) ---------- */
.section-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-16);
}

.section-title {
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-24);
  max-width: 780px;
}
.section-invert .section-title { color: #fff; }

.section-lead {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 640px;
  margin-bottom: var(--space-48);
}
.section-invert .section-lead { color: #c7c5be; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: var(--space-48);
}
.section-head .head-main { flex: 1; min-width: 280px; }
.section-head .head-main .section-title,
.section-head .head-main .section-lead { margin-bottom: 0; }
.section-index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-faint);
  white-space: nowrap;
  padding-bottom: 6px;
}

/* ---------- Text link (replaces heavy CTA buttons) ---------- */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
  border-bottom: 1.5px solid var(--color-ink);
  padding-bottom: 2px;
  transition: color 0.15s ease, border-color 0.15s ease, gap 0.15s ease;
}
.text-link:hover { color: var(--color-accent); border-color: var(--color-accent); gap: 10px; }
.text-link.on-dark { color: #fff; border-color: rgba(255,255,255,0.4); }
.text-link.on-dark:hover { color: var(--color-accent); border-color: var(--color-accent); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--color-ink);
  color: var(--color-ink);
}
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn-solid {
  background: var(--color-ink);
  color: #fff;
  border: none;
}
.btn-solid:hover { opacity: 0.85; }

/* ---------- Header / floating pill nav ---------- */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 20px 0;
}
.header-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo-mark {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  flex-shrink: 0;
}
.logo-mark .dot { color: var(--color-accent); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(14px);
  border-radius: var(--radius-pill);
  padding: 6px;
  font-size: 14px;
  font-weight: 500;
}
.main-nav a {
  color: var(--color-muted);
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  transition: color 0.15s ease, background 0.15s ease;
  display: inline-block;
}
.main-nav a:hover { color: var(--color-ink); }
.main-nav a.active { color: var(--color-ink); background: #ffffff; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  margin: 4px 0;
}

/* ---------- Hero — editorial headline + live tracking graphic ---------- */
#top { padding-top: var(--space-48); padding-bottom: var(--space-80); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: var(--space-64);
  align-items: center;
}
.hero-main { max-width: 640px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  text-transform: uppercase;
  margin-bottom: var(--space-24);
}
.hero-eyebrow .accent-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent); flex-shrink: 0; }
.hero-title {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.015em;
  color: var(--color-ink);
  margin-bottom: var(--space-24);
}
.hero-title .accent-underline {
  background: linear-gradient(180deg, transparent 62%, var(--color-accent-soft) 62%);
}
.hero-subcopy {
  font-size: 17px;
  line-height: 1.75;
  color: var(--color-muted);
  max-width: 560px;
  margin-bottom: var(--space-32);
}
.hero-links { display: flex; align-items: center; gap: 28px; margin-bottom: var(--space-64); }

.hero-meta-row {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 40px;
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-24);
}
.hero-meta .meta-label { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-faint); margin-bottom: 6px; }
.hero-meta .meta-value { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 16px; font-weight: 700; letter-spacing: -0.01em; color: var(--color-ink); }

/* Hero visual — animated SVG: BIT terminal broadcasting to BIMS platform */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-16);
}
.bit-svg { width: 100%; max-width: 280px; height: auto; overflow: visible; }

.bit-shadow { fill: rgba(17,17,17,0.06); }
.bit-ground { stroke: var(--color-line); stroke-width: 2; }
.bit-pole { fill: var(--color-faint); }

.bit-housing { fill: var(--color-ink); }
.bit-vent { fill: rgba(255,255,255,0.25); }

.bit-screen { fill: #0c0c0c; stroke: rgba(255,255,255,0.08); stroke-width: 1; }
.bit-bar { fill: rgba(255,255,255,0.85); }
.bit-bar-1 { animation: bit-bar-flicker 3.2s ease-in-out infinite; }
.bit-bar-2 { animation: bit-bar-flicker 3.2s ease-in-out infinite 0.4s; }
.bit-bar-3 { fill: var(--color-accent); animation: bit-bar-flicker 3.2s ease-in-out infinite 0.8s; }
@keyframes bit-bar-flicker { 0%, 100% { opacity: 1; } 50% { opacity: 0.55; } }

.bit-live-dot { fill: var(--color-accent); animation: vc-blink 1.4s ease-in-out infinite; }

.bit-antenna { stroke: var(--color-faint); stroke-width: 3; stroke-linecap: round; }
.bit-antenna-tip { fill: var(--color-accent); }

.bit-signal { fill: none; stroke: var(--color-accent); stroke-width: 2; stroke-linecap: round; opacity: 0; }
.bit-signal-1 { animation: bit-signal-pulse 2.4s ease-out infinite; }
.bit-signal-2 { animation: bit-signal-pulse 2.4s ease-out infinite 0.5s; }
.bit-signal-3 { animation: bit-signal-pulse 2.4s ease-out infinite 1s; }
@keyframes bit-signal-pulse {
  0% { opacity: 0.85; transform: scale(0.85); transform-origin: 150px 120px; }
  70% { opacity: 0; }
  100% { opacity: 0; transform: scale(1.05); transform-origin: 150px 120px; }
}

.bit-link { fill: none; stroke: var(--color-line); stroke-width: 2; stroke-dasharray: 4 6; }
.bit-packet { fill: var(--color-accent); }

.bims-card { fill: var(--color-card); stroke: var(--color-line); stroke-width: 1.5; }
.bims-label { font-family: var(--font-mono); font-size: 13px; font-weight: 700; letter-spacing: 0.02em; fill: var(--color-ink); }
.bims-chip { fill: var(--color-faint); opacity: 0.55; }
.bims-chip-accent { fill: var(--color-accent); opacity: 1; animation: bit-bar-flicker 2.8s ease-in-out infinite; }

.hero-visual-caption {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-faint);
  text-align: center;
}
.hero-visual-caption .vc-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  animation: vc-blink 1.6s ease-in-out infinite;
}
@keyframes vc-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
@media (prefers-reduced-motion: reduce) {
  .vc-dot, .bit-live-dot, .bit-bar-1, .bit-bar-2, .bit-bar-3, .bit-signal-1, .bit-signal-2, .bit-signal-3, .bims-chip-accent { animation: none !important; }
}

/* ---------- Generic bento / card grid ---------- */
.card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: var(--space-32);
}
.card-dark {
  background: var(--color-ink);
  color: #fff;
}
.card-dark h3, .card-dark h4 { color: #fff; }

.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}
.card-dark .tag { color: #f0a878; }

/* ---------- About — bento layout ---------- */
.about-bento {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
}
.about-lead-card { grid-column: 1 / 3; grid-row: 1; }
.about-lead-card p { font-size: 18px; line-height: 1.7; color: var(--color-ink); }
.about-lead-card .lead-name { font-weight: 800; }

.strength-card { grid-column: 3; grid-row: 1 / 3; }
.strength-list { display: flex; flex-direction: column; }
.strength-item { padding: 13px 0; border-bottom: 1px solid var(--color-line); }
.strength-item:last-child { border-bottom: none; }
.strength-item h5 { font-size: 14px; font-weight: 700; color: var(--color-ink); margin-bottom: 4px; }
.strength-item p { font-size: 12.5px; color: var(--color-muted); line-height: 1.5; }

.spec-list { display: flex; flex-direction: column; }
.spec-row { display: flex; justify-content: space-between; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--color-line); }
.spec-row:last-child { border-bottom: none; }
.spec-row dt { font-size: 12px; color: var(--color-faint); font-weight: 500; }
.spec-row dd { margin: 0; font-size: 13.5px; font-weight: 600; text-align: right; }

.highlight-mini { grid-column: span 1; }
.highlight-mini .h-title { font-size: 19px; font-weight: 800; margin: 6px 0 4px; }
.highlight-mini .h-sub { font-size: 13px; color: var(--color-muted); }
.card-dark .h-sub { color: #c7c5be; }

/* ---------- Positioning diagram ---------- */
.positioning-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-64);
  align-items: center;
}
.nested-diagram { padding: var(--space-8) 0; }
.layer {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
}
.layer-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-faint);
  margin-bottom: 14px;
  display: block;
}
.layer-inner {
  background: var(--color-mist);
  border-radius: var(--radius-md);
  padding: var(--space-24);
  margin-top: 4px;
}
.layer-core {
  background: var(--color-ink);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: var(--space-24);
  margin-top: 4px;
}
.layer-core .layer-label { color: #f0a878; }
.layer-core .layer-title { font-size: 21px; font-weight: 800; margin-bottom: 6px; }
.layer-core .layer-desc { font-size: 13.5px; color: #c7c5be; line-height: 1.6; }

.reason-list { display: flex; flex-direction: column; gap: 28px; }
.reason-item { display: flex; gap: 20px; }
.reason-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 22px;
  color: var(--color-accent);
  flex-shrink: 0;
  line-height: 1;
}
.reason-item h4 { font-size: 17px; margin-bottom: 6px; font-weight: 700; }
.reason-item p { font-size: 14px; color: var(--color-muted); line-height: 1.65; }

/* ---------- Pillars ---------- */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.pillar-card {
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  background: var(--color-card);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.pillar-card.dark { background: var(--color-ink); color: #fff; }
.pillar-card.dark h3 { color: #fff; }
.pillar-ghost-num {
  position: absolute;
  top: 8px;
  right: 20px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 88px;
  line-height: 1;
  color: rgba(0,0,0,0.07);
  z-index: 0;
}
.pillar-card.dark .pillar-ghost-num { color: rgba(255,255,255,0.08); }
.pillar-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.pillar-card h3 { font-size: 21px; margin-bottom: 20px; line-height: 1.4; position: relative; z-index: 1; }
.pillar-card ul { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; flex: 1; position: relative; z-index: 1; }
.pillar-card li { font-size: 13.5px; color: var(--color-muted); padding-left: 14px; position: relative; }
.pillar-card.dark li { color: #c7c5be; }
.pillar-card li::before { content: ''; position: absolute; left: 0; top: 8px; width: 4px; height: 4px; background: var(--color-accent); border-radius: 50%; }
.pillar-link { font-size: 13px; font-weight: 700; color: var(--color-ink); position: relative; z-index: 1; }
.pillar-card.dark .pillar-link { color: #fff; }

/* ---------- Step process (connected timeline, not boxed cards) ---------- */
.step-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-bottom: var(--space-64);
  position: relative;
}
.step-cell {
  padding: 0 20px 0 0;
  border-left: 2px solid var(--color-line);
  padding-left: 20px;
}
.step-cell:first-child { border-left: none; padding-left: 0; }
.step-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 28px;
  color: var(--color-accent);
  display: block;
  line-height: 1;
  margin-bottom: 14px;
}
.step-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-faint);
  margin-bottom: 6px;
  display: block;
}
.step-cell h4 { font-size: 16px; margin-bottom: 14px; font-weight: 700; }
.step-cell ul { display: flex; flex-direction: column; gap: 7px; }
.step-cell li { font-size: 13px; color: var(--color-muted); padding-left: 12px; position: relative; }
.step-cell li::before { content: '—'; position: absolute; left: 0; color: var(--color-faint); }

.subsection-title {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-faint);
  margin-bottom: 20px;
}

.deliverable-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.deliverable-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: var(--space-24);
}
.deliverable-card h4 { font-size: 14.5px; margin-bottom: 8px; font-weight: 700; }
.deliverable-card p { font-size: 13px; color: var(--color-muted); }

/* ---------- Maintenance scope ---------- */
.scope-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: var(--space-64);
}
.scope-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: var(--space-24);
  display: flex;
  gap: 16px;
}
.scope-num { font-family: var(--font-mono); font-weight: 700; font-size: 17px; color: var(--color-accent); flex-shrink: 0; line-height: 1.5; }
.scope-card h4 { font-size: 15.5px; margin-bottom: 6px; font-weight: 700; }
.scope-card p { font-size: 13.5px; color: var(--color-muted); line-height: 1.6; }

.sla-box {
  background: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: var(--space-48) var(--space-32);
  color: #fff;
}
.sla-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}
.sla-item .sla-label { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; color: #9a988f; margin-bottom: 10px; }
.sla-item .sla-value { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 26px; font-weight: 700; color: #fff; letter-spacing: -0.01em; }
.sla-note { font-size: 12px; color: #9a988f; border-top: 1px solid rgba(255,255,255,0.14); padding-top: 18px; }

/* ---------- BIMS modules ---------- */
.module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: var(--space-32);
}
.module-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: var(--space-24);
  position: relative;
  overflow: hidden;
}
.module-id { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.03em; color: var(--color-accent); margin-bottom: 14px; }
.module-card h4 { font-size: 15.5px; margin-bottom: 16px; font-weight: 700; }
.module-card ul { display: flex; flex-direction: column; gap: 8px; }
.module-card li { font-size: 12.5px; color: var(--color-muted); padding-left: 14px; position: relative; }
.module-card li::before { content: ''; position: absolute; left: 0; top: 7px; width: 4px; height: 4px; background: var(--color-accent); border-radius: 50%; }

.band {
  border-radius: var(--radius-md);
  padding: var(--space-24) var(--space-32);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--color-accent-soft);
}
.band strong { color: var(--color-accent); font-weight: 700; }
.band p { font-size: 14px; color: var(--color-muted); margin: 0; }
.band p strong { color: var(--color-ink); }

/* ---------- Competency ---------- */
.competency-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: var(--space-32);
}
.competency-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: var(--space-24);
}
.competency-axis { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em; color: var(--color-faint); margin-bottom: 10px; }
.competency-card h4 { font-size: 15.5px; margin-bottom: 10px; font-weight: 700; }
.competency-card p { font-size: 13px; color: var(--color-muted); line-height: 1.6; }

.summary-band {
  background: var(--color-ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-48);
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  align-items: center;
}
.summary-band .summary-text { flex: 1; min-width: 280px; }
.summary-band .summary-label { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; color: #f0a878; margin-bottom: 14px; }
.summary-band h3 { font-size: 24px; margin-bottom: 12px; color: #fff; font-weight: 800; }
.summary-band p { font-size: 14px; color: #c7c5be; line-height: 1.7; }
.kpi-row { display: flex; gap: 40px; }
.kpi-item { text-align: center; }
.kpi-item .kpi-label { display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.05em; color: #9a988f; text-transform: uppercase; margin-bottom: 8px; }
.kpi-item .kpi-value { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 19px; font-weight: 700; color: #fff; letter-spacing: -0.01em; }

/* ---------- Flagship — 3-way joint service ---------- */
.joint-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  margin-bottom: var(--space-32);
}
.joint-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--space-32) var(--space-24);
  height: 100%;
}
.joint-card.dark { background: var(--color-ink); color: #fff; }
.joint-role { display: block; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-accent); margin-bottom: 16px; }
.joint-card h3 { font-size: 22px; margin-bottom: 4px; font-weight: 800; }
.joint-card.dark h3 { color: #fff; }
.joint-sub { font-size: 12.5px; color: var(--color-muted); margin-bottom: 18px; }
.joint-card.dark .joint-sub { color: #c7c5be; }
.joint-card ul { display: flex; flex-direction: column; gap: 8px; }
.joint-card li { font-size: 12px; color: var(--color-muted); padding-left: 12px; position: relative; }
.joint-card.dark li { color: #c7c5be; }
.joint-card li::before { content: '—'; position: absolute; left: 0; color: var(--color-faint); }
.joint-plus { font-family: var(--font-mono); font-weight: 700; font-size: 22px; color: var(--color-accent); text-align: center; }

.outcome-card {
  background: var(--color-accent-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  margin-bottom: var(--space-24);
}
.outcome-card .tag { color: var(--color-accent); }
.outcome-card p { font-size: 16px; line-height: 1.65; margin-bottom: 8px; color: var(--color-ink); }
.outcome-card p:last-child { margin-bottom: 0; font-weight: 700; }

.status-band {
  background: var(--color-ink);
  color: #fff;
  border-radius: var(--radius-pill);
  padding: 16px 32px;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: -0.005em;
}
.status-band .accent { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--color-accent); font-weight: 700; }

/* ---------- Partnership (clients / ecosystem) ---------- */
.client-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.client-block {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: var(--space-24);
}
.client-block h4 { font-size: 15.5px; margin-bottom: 12px; font-weight: 700; }
.client-block p { font-size: 13.5px; color: var(--color-muted); line-height: 1.65; }

/* ---------- Company / Milestones ---------- */
.company-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-64);
  align-items: center;
}
.year-block {
  background: var(--color-ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-48) var(--space-32);
  text-align: center;
}
.year-block .founded-label { display: block; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; color: #f0a878; margin-bottom: 16px; }
.year-display { font-family: var(--font-mono); font-weight: 700; font-size: 64px; letter-spacing: -0.01em; line-height: 1; color: #fff; margin-bottom: 16px; }
.year-block .year-desc { font-size: 13.5px; color: #c7c5be; }

.timeline { display: flex; flex-direction: column; }
.timeline-item { display: flex; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--color-line); }
.timeline-item:last-child { border-bottom: none; }
.timeline-item .t-year { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 700; font-size: 13.5px; color: var(--color-accent); flex-shrink: 0; width: 56px; }
.timeline-item p { font-size: 14.5px; color: var(--color-ink); }
.next-box {
  margin-top: 20px;
  background: var(--color-accent-soft);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 13.5px;
  color: var(--color-muted);
}
.next-box strong { color: var(--color-accent); }

/* ---------- Contact ---------- */
#contact { padding-bottom: var(--space-64); }
.contact-headline {
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.45;
  margin-bottom: var(--space-64);
  max-width: 720px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}
.company-card {
  background: var(--color-ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 280px;
}
.company-card .cc-logo { font-size: 26px; font-weight: 800; margin-bottom: 12px; color: #fff; }
.company-card .cc-logo .dot { color: var(--color-accent); }
.company-card .cc-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em; color: #9a988f; margin-bottom: 24px; text-transform: uppercase; }
.company-card .cc-desc { font-size: 13.5px; color: #c7c5be; line-height: 1.65; }

.contact-info-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.contact-info-card .spec-list { margin-bottom: 24px; }

/* ---------- Footer ---------- */
#site-footer { padding: var(--space-64) 0 0; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: var(--space-32);
  font-size: 13px;
  color: var(--color-muted);
}
.footer-inner .fi-logo { font-weight: 800; color: var(--color-ink); }
.footer-inner .fi-logo .dot { color: var(--color-accent); }
.copyright-bar {
  border-top: 1px solid var(--color-line);
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: var(--color-faint);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .positioning-grid, .company-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-main { max-width: none; }
  .bit-svg { max-width: 220px; }
  .hero-meta-row { grid-template-columns: repeat(2, auto); gap: 24px 40px; }
  .about-bento { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto auto; }
  .about-lead-card { grid-column: 1 / 3; }
  .strength-card { grid-column: 1 / 3; grid-row: auto; }
  .highlight-mini { grid-column: span 1; }
  .pillar-grid, .client-grid { grid-template-columns: 1fr; }
  .step-row, .deliverable-grid, .module-grid, .competency-grid { grid-template-columns: repeat(2, 1fr); }
  .step-cell { border-left: none; padding-left: 0; border-top: 2px solid var(--color-line); padding-top: 20px; }
  .step-cell:first-child { border-top: none; padding-top: 0; }
  .scope-grid { grid-template-columns: 1fr; }
  .sla-grid { grid-template-columns: repeat(2, 1fr); }
  .joint-row { grid-template-columns: 1fr; }
  .joint-plus { transform: rotate(90deg); padding: 4px 0; }
  .summary-band { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .nav-toggle { display: block; }
  section { padding: 56px 0; }
  #top { padding-bottom: 56px; }
  .hero-meta-row { grid-template-columns: 1fr 1fr; gap: 20px 24px; }
  .step-row, .deliverable-grid, .module-grid, .competency-grid, .sla-grid { grid-template-columns: 1fr; }
  .kpi-row { flex-wrap: wrap; gap: 20px; }

  .main-nav.open {
    display: flex;
    position: absolute;
    top: 72px;
    left: 24px; right: 24px;
    background: #ffffff;
    border-radius: var(--radius-md);
    flex-direction: column;
    padding: 12px;
    gap: 4px;
  }
  .main-nav.open a { padding: 12px 16px; }
}