/* ══════════════════════════════════════════════════
   DESIGN RESOURCE POLICY v2 — Full Redesign
   Internal Report Stylesheet
══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Pretendard:wght@300;400;500;600;700;800;900&display=swap');

/* ─── Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── Tokens ─────────────────────────────────────── */
:root {
  --bg:          #f0f2f8;
  --surface:     #ffffff;
  --surface-2:   #f8f9fc;
  --border:      #e4e7f0;
  --text:        #0f1123;
  --muted:       #64748b;
  --primary:     #4361ee;
  --primary-l:   #eef1fe;
  --primary-d:   #2d49d4;

  --t1: #ff6b6b; --t1-l: #fff0f0; --t1-d: #e63946;
  --t2: #ff9f43; --t2-l: #fff4e6; --t2-d: #e67e22;
  --t3: #54a0ff; --t3-l: #e8f3ff; --t3-d: #2980b9;
  --t4: #1dd1a1; --t4-l: #e8fdf5; --t4-d: #10ac84;
  --t5: #a29bfe; --t5-l: #f0eeff; --t5-d: #6c5ce7;

  --red:     #e03131;
  --green:   #2f9e44;
  --orange:  #e8590c;
  --purple:  #7048e8;

  --r-sm:  8px;
  --r-md:  14px;
  --r-lg:  20px;
  --r-xl:  28px;

  --sh-sm:  0 1px 8px rgba(15,17,35,.06);
  --sh-md:  0 4px 24px rgba(15,17,35,.09);
  --sh-lg:  0 12px 48px rgba(15,17,35,.13);
  --sh-xl:  0 20px 80px rgba(15,17,35,.18);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 15px;
  padding-left: 64px;          /* side nav width */
}

/* ═══════════════════════════════════════════════
   SIDE NAV
═══════════════════════════════════════════════ */
.sidenav {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 64px;
  background: #0f1123;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
  z-index: 1000;
  gap: 4px;
}
.sidenav-logo {
  width: 40px; height: 40px;
  background: var(--primary);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 18px;
  margin-bottom: 16px;
}
.sidenav ul { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.sidenav ul li a {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  color: #475569;
  font-size: 16px;
  text-decoration: none;
  transition: background .2s, color .2s;
  position: relative;
}
.sidenav ul li a::after {
  content: attr(data-label);
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: #0f1123;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
.sidenav ul li a:hover::after { opacity: 1; }
.sidenav ul li a:hover,
.sidenav ul li a.active {
  background: var(--primary);
  color: #fff;
}

/* ═══════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════ */
.site-header {
  background: linear-gradient(135deg, #0d1117 0%, #1a1d3a 40%, #2d3578 70%, #4361ee 100%);
  color: #fff;
  padding: 72px 48px 60px;
  position: relative;
  overflow: hidden;
}
.header-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  opacity: .12;
  animation: float linear infinite;
}
@keyframes float {
  from { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10%  { opacity: .12; }
  90%  { opacity: .12; }
  to   { transform: translateY(-20vh) rotate(360deg); opacity: 0; }
}
.header-inner {
  position: relative;
  z-index: 1;
  max-width: 960px;
}
.header-top-row {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.header-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: #c5d3ff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 5px 14px;
  border-radius: 100px;
}
.header-badge--date { background: rgba(67,97,238,.3); border-color: rgba(67,97,238,.5); }

.header-title {
  font-size: clamp(32px, 5.5vw, 56px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 16px;
}
.title-accent {
  background: linear-gradient(90deg, #a5b4fc, #818cf8, #f472b6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.header-subtitle {
  font-size: 15px;
  color: #94a3b8;
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.header-kpi {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-lg);
  overflow: hidden;
  max-width: 640px;
  backdrop-filter: blur(12px);
}
.kpi-item {
  flex: 1;
  min-width: 100px;
  padding: 18px 20px;
  text-align: center;
}
.kpi-num {
  display: block;
  font-size: 24px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -1px;
  line-height: 1.1;
}
.kpi-label {
  display: block;
  font-size: 11px;
  color: #94a3b8;
  margin-top: 4px;
}
.kpi-divider {
  width: 1px;
  background: rgba(255,255,255,.1);
  margin: 12px 0;
}

/* ═══════════════════════════════════════════════
   CONTAINER & SECTIONS
═══════════════════════════════════════════════ */
.container { max-width: 1060px; margin: 0 auto; padding: 56px 32px 100px; }
.section { margin-bottom: 80px; }

.section-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 32px;
}
.section-eyebrow {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 3px;
  color: var(--primary);
  background: var(--primary-l);
  padding: 6px 13px;
  border-radius: var(--r-sm);
  margin-top: 4px;
}
.section-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.8px;
}
.section-desc {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

/* ═══════════════════════════════════════════════
   01 BACKGROUND
═══════════════════════════════════════════════ */
.bg-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  align-items: start;
}
.bg-compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-md);
  overflow: hidden;
}
.compare-col {
  padding: 28px 24px;
}
.compare-col.before { background: #fff8f8; }
.compare-col.after  { background: #f0fdf4; }
.compare-head {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .5px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.compare-col.before .compare-head { color: var(--red); }
.compare-col.after  .compare-head { color: var(--green); }
.compare-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.compare-list li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 13.5px; color: var(--muted); line-height: 1.5;
}
.compare-list li i { flex-shrink: 0; margin-top: 1px; font-size: 14px; }
.compare-col.before .compare-list li i { color: var(--red); }
.compare-col.after  .compare-list li i { color: var(--green); }
.compare-arrow {
  display: flex; align-items: center; justify-content: center;
  padding: 0 12px;
  color: #cbd5e1;
  font-size: 22px;
  background: var(--surface);
}
.bg-chart-wrap {
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-md);
  padding: 24px;
}
.bg-chart-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 12px;
  letter-spacing: .3px;
}
.bg-chart-container {
  position: relative;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.donut-center-label {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  pointer-events: none;
  line-height: 1.4;
}
.donut-legend { margin-top: 14px; display: flex; flex-direction: column; gap: 7px; }
.donut-legend-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--muted);
}
.donut-legend-dot {
  width: 10px; height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════
   02 PRINCIPLES
═══════════════════════════════════════════════ */
.principle-wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 24px;
}
.formula-visual {
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-md);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.fv-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: var(--surface-2);
  border-radius: var(--r-md);
  padding: 20px 16px;
}
.fv-block.fv-planning { border: 2px solid #e0e7ff; }
.fv-block.fv-variation { border: 2px solid #d1fae5; }
.fv-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.fv-planning .fv-icon { background: var(--primary-l); color: var(--primary); }
.fv-variation .fv-icon { background: var(--t4-l); color: var(--t4-d); }
.fv-num { font-size: 44px; font-weight: 900; letter-spacing: -2px; }
.fv-planning .fv-num { color: var(--primary); }
.fv-variation .fv-num { color: var(--t4-d); }
.fv-label { font-size: 13px; font-weight: 700; color: var(--text); }
.fv-sub { font-size: 11px; color: var(--muted); }
.fv-eq {
  display: flex; align-items: center; gap: 12px;
  width: 100%;
}
.fv-eq-line { flex: 1; height: 2px; background: var(--border); }
.fv-eq span { font-size: 24px; font-weight: 300; color: var(--muted); }

.conversion-demo {
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-md);
  padding: 28px 28px 24px;
}
.conv-title {
  font-size: 13px; font-weight: 700; color: var(--muted);
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 8px;
}
.conv-bars { display: flex; flex-direction: column; gap: 10px; }
.conv-row {
  display: grid;
  grid-template-columns: 60px 1fr;
  align-items: center;
  gap: 12px;
}
.conv-row-label { font-size: 11px; font-weight: 700; color: var(--muted); text-align: right; }
.conv-bar-track {
  height: 28px;
  background: var(--bg);
  border-radius: 100px;
  overflow: hidden;
  display: flex;
}
.conv-bar-seg {
  height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,.95);
  white-space: nowrap;
  overflow: hidden;
  transition: width .6s cubic-bezier(.4,0,.2,1);
}
.conv-bar-seg.planning-seg   { background: var(--primary); border-radius: 100px 0 0 100px; }
.conv-bar-seg.variation-seg  { background: var(--t4-d); border-radius: 0 100px 100px 0; }
.conv-bar-seg.only-planning  { border-radius: 100px; }
.conv-bar-seg.only-variation { border-radius: 100px; }
.conv-legend {
  margin-top: 16px;
  display: flex;
  gap: 20px;
  font-size: 12px;
  color: var(--muted);
  align-items: center;
}
.conv-dot {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 3px;
  margin-right: 5px;
}
.conv-dot.planning  { background: var(--primary); }
.conv-dot.variation { background: var(--t4-d); }

/* ═══════════════════════════════════════════════
   03 TIERS
═══════════════════════════════════════════════ */
.tier-chart-wrap {
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-md);
  padding: 28px 28px 20px;
  margin-bottom: 24px;
}
.tier-chart-inner { position: relative; }

.tier-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.tier-card {
  background: var(--surface);
  border-radius: var(--r-md);
  padding: 22px 16px 18px;
  box-shadow: var(--sh-sm);
  text-align: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform .25s, box-shadow .25s;
  border: 2px solid transparent;
}
.tier-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}
.tier-1::before { background: var(--t1); }
.tier-2::before { background: var(--t2); }
.tier-3::before { background: var(--t3); }
.tier-4::before { background: var(--t4); }
.tier-5::before { background: var(--t5); }

.tier-glow {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
.tier-1 .tier-glow { background: radial-gradient(ellipse at top, rgba(255,107,107,.08) 0%, transparent 70%); }
.tier-2 .tier-glow { background: radial-gradient(ellipse at top, rgba(255,159,67,.08) 0%, transparent 70%); }
.tier-3 .tier-glow { background: radial-gradient(ellipse at top, rgba(84,160,255,.08) 0%, transparent 70%); }
.tier-4 .tier-glow { background: radial-gradient(ellipse at top, rgba(29,209,161,.08) 0%, transparent 70%); }
.tier-5 .tier-glow { background: radial-gradient(ellipse at top, rgba(162,155,254,.08) 0%, transparent 70%); }

.tier-card:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); }
.tier-card:hover .tier-glow { opacity: 1; }
.tier-card.active {
  transform: translateY(-6px);
  box-shadow: var(--sh-lg);
}
.tier-1.active { border-color: var(--t1); }
.tier-2.active { border-color: var(--t2); }
.tier-3.active { border-color: var(--t3); }
.tier-4.active { border-color: var(--t4); }
.tier-5.active { border-color: var(--t5); }
.tier-card.active .tier-glow { opacity: 1; }

.tier-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.tier-badge {
  font-size: 9px; font-weight: 900; letter-spacing: 1.5px;
  padding: 3px 9px; border-radius: 100px;
}
.tier-1 .tier-badge { background: var(--t1-l); color: var(--t1-d); }
.tier-2 .tier-badge { background: var(--t2-l); color: var(--t2-d); }
.tier-3 .tier-badge { background: var(--t3-l); color: var(--t3-d); }
.tier-4 .tier-badge { background: var(--t4-l); color: var(--t4-d); }
.tier-5 .tier-badge { background: var(--t5-l); color: var(--t5-d); }
.tier-profit-tag { font-size: 9px; color: var(--muted); font-weight: 600; }

.tier-bars-mini {
  height: 4px;
  background: var(--bg);
  border-radius: 100px;
  overflow: hidden;
  display: flex;
  gap: 2px;
  margin-bottom: 16px;
}
.mini-bar {
  height: 100%;
  border-radius: 100px;
  width: var(--w);
  transition: width .6s;
}
.mini-bar.planning  { background: var(--primary); }
.mini-bar.variation { background: var(--t4-d); }
.mini-bar.t5-bar    { background: linear-gradient(90deg, var(--t5-d), var(--t5)); width: var(--w); }

.tier-main {
  display: flex; align-items: baseline; justify-content: center;
  gap: 5px; margin-bottom: 10px;
}
.tier-num { font-size: 44px; font-weight: 900; line-height: 1; letter-spacing: -2px; }
.tier-num.tier-nego { font-size: 22px; letter-spacing: 0; }
.tier-unit { font-size: 12px; color: var(--muted); font-weight: 600; }
.tier-1 .tier-num { color: var(--t1-d); }
.tier-2 .tier-num { color: var(--t2-d); }
.tier-3 .tier-num { color: var(--t3-d); }
.tier-4 .tier-num { color: var(--t4-d); }
.tier-5 .tier-num { color: var(--t5-d); }

.tier-convert-row {
  font-size: 11px; color: var(--muted);
  background: var(--bg); border-radius: 8px;
  padding: 6px 8px; margin-bottom: 10px;
  display: flex; align-items: center; gap: 5px;
  justify-content: center;
}
.tier-convert-row strong { color: var(--text); }
.tc-icon { color: var(--primary); }
.tier-revision { font-size: 11px; color: #94a3b8; display: flex; align-items: center; justify-content: center; gap: 5px; }

/* ═══════════════════════════════════════════════
   04 CALCULATOR
═══════════════════════════════════════════════ */
.calc-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
  align-items: start;
}
.calc-panel {
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-md);
  padding: 28px 24px;
}
.calc-label {
  display: block; font-size: 13px; font-weight: 700;
  margin-bottom: 12px; color: var(--muted);
}
.calc-input-row { display: flex; gap: 10px; }
.calc-input-wrap {
  flex: 1; position: relative;
}
.calc-input {
  width: 100%; height: 50px;
  border: 2px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0 50px 0 16px;
  font-size: 18px; font-weight: 700;
  font-family: inherit; color: var(--text);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.calc-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67,97,238,.15);
}
.calc-unit {
  position: absolute; right: 14px; top: 50%;
  transform: translateY(-50%);
  font-size: 12px; font-weight: 600; color: var(--muted);
  pointer-events: none;
}
.calc-btn {
  height: 50px; padding: 0 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-d));
  color: #fff; border: none; border-radius: var(--r-sm);
  font-size: 14px; font-weight: 700; font-family: inherit;
  cursor: pointer; white-space: nowrap;
  display: flex; align-items: center; gap: 7px;
  transition: opacity .2s, transform .1s;
  box-shadow: 0 4px 14px rgba(67,97,238,.35);
}
.calc-btn:hover { opacity: .9; }
.calc-btn:active { transform: scale(.97); }

.quick-btns {
  margin-top: 14px;
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
}
.quick-label { font-size: 11px; color: var(--muted); flex-shrink: 0; }
.quick-btn {
  padding: 5px 12px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  background: var(--bg);
  font-size: 12px; font-weight: 600;
  cursor: pointer; font-family: inherit; color: var(--muted);
  transition: all .2s;
}
.quick-btn:hover {
  border-color: var(--primary);
  background: var(--primary-l);
  color: var(--primary);
}

/* Tier Meter */
.tier-meter { margin-top: 20px; }
.meter-label { font-size: 11px; font-weight: 700; color: var(--muted); margin-bottom: 8px; }
.meter-track {
  display: flex; border-radius: 100px; overflow: hidden;
  height: 22px;
}
.meter-seg {
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; font-weight: 900; color: rgba(255,255,255,.85);
  letter-spacing: .5px;
  transition: filter .3s;
}
.t1-seg { background: var(--t1); }
.t2-seg { background: var(--t2); }
.t3-seg { background: var(--t3); }
.t4-seg { background: var(--t4); }
.t5-seg { background: var(--t5); }
.meter-seg.dim { filter: brightness(.5); }
.meter-pointer {
  margin-top: 3px;
  position: relative;
  font-size: 16px;
  color: var(--text);
  transition: left .5s cubic-bezier(.4,0,.2,1);
  transform: translateX(-50%);
}
.meter-ticks {
  display: flex; justify-content: space-between;
  font-size: 9px; color: var(--muted);
  margin-top: 4px; padding: 0 2px;
}

/* Calc Result */
.calc-result { background: var(--surface); border-radius: var(--r-lg); box-shadow: var(--sh-md); padding: 28px 24px; }
.calc-result.hidden { display: none; }
.result-header { margin-bottom: 20px; }
.result-tier-badge {
  display: inline-block; font-size: 11px; font-weight: 800;
  letter-spacing: 2px; padding: 4px 14px; border-radius: 100px;
  margin-bottom: 8px;
}
.result-range { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.result-summary {
  font-size: 18px; font-weight: 800; letter-spacing: -.5px;
}
.result-summary em { font-style: normal; color: var(--primary); }

.result-visual {
  display: grid; grid-template-columns: 180px 1fr; gap: 20px;
  align-items: start; margin-bottom: 20px;
}
.result-donut-wrap {
  position: relative;
  width: 180px; height: 180px;
  flex-shrink: 0;
}
.result-donut-label {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center; font-size: 12px; font-weight: 700;
  color: var(--muted); line-height: 1.4; pointer-events: none;
}
.result-options-wrap { padding-top: 4px; }
.options-title {
  font-size: 12px; font-weight: 700; color: var(--muted);
  margin-bottom: 10px; display: flex; align-items: center; gap: 7px;
}
.options-list { display: flex; flex-direction: column; gap: 8px; }
.option-item {
  display: flex; align-items: center; gap: 10px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm); padding: 10px 14px;
  background: var(--surface-2);
  cursor: pointer; transition: all .2s;
}
.option-item:hover { border-color: var(--primary); background: var(--primary-l); }
.option-item.selected { border-color: var(--primary); background: var(--primary-l); }
.opt-label {
  font-size: 10px; font-weight: 800; color: var(--primary);
  letter-spacing: 1px; flex-shrink: 0; min-width: 52px;
}
.opt-bar-wrap { flex: 1; height: 6px; background: var(--bg); border-radius: 100px; overflow: hidden; display: flex; }
.opt-bar-p { height: 100%; background: var(--primary); border-radius: 100px 0 0 100px; }
.opt-bar-v { height: 100%; background: var(--t4-d); border-radius: 0 100px 100px 0; }
.opt-bar-only { height: 100%; border-radius: 100px; }
.opt-desc { font-size: 12px; font-weight: 600; color: var(--text); flex-shrink: 0; min-width: 140px; }

.format-section {
  background: var(--surface-2);
  border-radius: var(--r-md);
  padding: 18px 20px;
  border: 1.5px solid var(--border);
}
.format-title {
  font-size: 12px; font-weight: 700; color: var(--muted);
  margin-bottom: 14px; display: flex; align-items: center; gap: 7px;
}
.format-layout { display: grid; grid-template-columns: 160px 1fr; gap: 16px; align-items: center; }
.format-chart-wrap { position: relative; }
.format-pills-wrap { display: flex; flex-direction: column; gap: 10px; }
.format-pill {
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; padding: 8px 12px;
  background: var(--surface); border-radius: var(--r-sm);
  border: 1.5px solid var(--border);
}
.fpill-dot { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.fpill-shape { flex: 1; color: var(--text); }
.fpill-shape i { color: var(--primary); margin-right: 4px; }
.fpill-pct { font-weight: 800; color: var(--primary); }

/* ═══════════════════════════════════════════════
   05 EXTRA
═══════════════════════════════════════════════ */
.extra-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.extra-card {
  background: var(--surface); border-radius: var(--r-lg);
  box-shadow: var(--sh-md); padding: 28px 24px;
}
.extra-card-header {
  display: flex; align-items: flex-start; gap: 16px; margin-bottom: 20px;
}
.extra-icon-wrap {
  width: 48px; height: 48px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.accent-orange { background: #fff4e6; color: var(--orange); }
.accent-purple { background: #f3f0ff; color: var(--purple); }
.extra-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 5px; }
.extra-sub { font-size: 13px; color: var(--muted); }

/* Price Compare Bars */
.price-compare { display: flex; flex-direction: column; gap: 0; }
.price-item { }
.price-item-label {
  font-size: 12px; font-weight: 600; color: var(--muted);
  margin-bottom: 8px; display: flex; align-items: center; gap: 6px;
}
.price-bar-wrap { display: flex; flex-direction: column; gap: 5px; }
.price-bar {
  height: 32px; border-radius: 8px;
  display: flex; align-items: center; padding: 0 12px;
  font-size: 11px; font-weight: 700;
  width: var(--w); min-width: fit-content;
  transition: width .7s ease;
}
.price-bar.original   { background: #e9ecef; color: #868e96; text-decoration: line-through; }
.price-bar.discounted { background: linear-gradient(90deg, var(--orange), #ff9f43); color: #fff; }

/* Urgent Steps */
.urgent-steps { display: flex; flex-direction: column; gap: 12px; }
.ustep { display: flex; align-items: flex-start; gap: 12px; }
.ustep-num {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--t5-l); color: var(--purple);
  font-size: 12px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ustep-text { font-size: 13.5px; color: var(--muted); line-height: 1.5; padding-top: 3px; }
.ustep-text strong { color: var(--text); }

/* ═══════════════════════════════════════════════
   06 PROCESS (TIMELINE)
═══════════════════════════════════════════════ */
.timeline-wrap {
  background: var(--surface);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-md);
  padding: 36px 40px;
  position: relative;
}
.timeline-line {
  position: absolute;
  top: 64px; left: 90px; right: 90px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #a5b4fc, var(--t4), var(--t5), var(--t3));
  border-radius: 100px;
  z-index: 0;
}
.timeline-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
  z-index: 1;
}
.tl-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.tl-dot {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 6px var(--primary);
  transition: transform .2s;
  flex-shrink: 0;
}
.tl-dot--final {
  background: linear-gradient(135deg, var(--t4-d), #0e9c6f);
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 6px var(--t4-d);
}
.tl-step:hover .tl-dot { transform: scale(1.1); }
.tl-connector { width: 2px; height: 20px; background: var(--border); }
.tl-card {
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px 14px;
  text-align: center;
  width: 100%;
  transition: border-color .2s, box-shadow .2s;
}
.tl-step:hover .tl-card {
  border-color: var(--primary);
  box-shadow: var(--sh-sm);
}
.tl-num { font-size: 10px; font-weight: 800; color: var(--primary); letter-spacing: 1px; margin-bottom: 6px; }
.tl-card h4 { font-size: 13px; font-weight: 800; margin-bottom: 6px; }
.tl-card p  { font-size: 11.5px; color: var(--muted); line-height: 1.5; margin-bottom: 10px; }
.tl-chips {
  display: flex; flex-wrap: wrap; gap: 4px; justify-content: center;
}
.tl-chips span {
  font-size: 10px; font-weight: 600;
  background: var(--primary-l); color: var(--primary);
  padding: 2px 7px; border-radius: 100px;
}

/* ═══════════════════════════════════════════════
   07 SALES
═══════════════════════════════════════════════ */
.sales-layout { display: grid; grid-template-columns: 1fr 400px; gap: 24px; }
.sales-cards { display: flex; flex-direction: column; gap: 16px; }
.sales-card {
  background: var(--surface); border-radius: var(--r-md);
  box-shadow: var(--sh-sm); padding: 22px 20px;
  display: flex; align-items: flex-start; gap: 16px;
  border-left: 4px solid transparent;
  transition: box-shadow .2s, transform .2s;
}
.sales-card:hover { box-shadow: var(--sh-md); transform: translateX(4px); }
.sc-1 { border-left-color: var(--primary); }
.sc-2 { border-left-color: var(--t4-d); }
.sc-3 { border-left-color: var(--t2-d); }
.sc-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.sc-1 .sc-icon { background: var(--primary-l); color: var(--primary); }
.sc-2 .sc-icon { background: var(--t4-l); color: var(--t4-d); }
.sc-3 .sc-icon { background: var(--t2-l); color: var(--t2-d); }
.sales-card h4 { font-size: 14px; font-weight: 700; margin-bottom: 5px; }
.sales-card p  { font-size: 13px; color: var(--muted); line-height: 1.5; flex: 1; }
.sc-tag {
  font-size: 10px; font-weight: 700;
  background: var(--primary-l); color: var(--primary);
  padding: 2px 10px; border-radius: 100px;
  flex-shrink: 0; align-self: flex-start; margin-top: 2px;
}

.upsell-visual {
  background: linear-gradient(160deg, #0d1117 0%, #1a1d3a 50%, #2d3578 100%);
  border-radius: var(--r-xl);
  padding: 28px 24px;
  display: flex; flex-direction: column; gap: 20px;
}
.uv-title {
  font-size: 12px; font-weight: 700; color: #64748b;
  letter-spacing: .5px; text-align: center;
}
.uv-cycle {
  position: relative;
  width: 220px; height: 220px;
  margin: 0 auto;
}
.uvc-item {
  position: absolute;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  border: 2px solid var(--color);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%) rotate(var(--angle)) translateX(78px) rotate(calc(-1 * var(--angle)));
  transition: transform .3s;
}
.uvc-item:hover {
  background: rgba(255,255,255,.15);
}
.uvc-icon { font-size: 16px; color: var(--color); }
.uvc-label { font-size: 9px; font-weight: 700; color: #94a3b8; text-align: center; line-height: 1.3; }
.uvc-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.uvc-center i { font-size: 22px; color: #a5b4fc; animation: spin 4s linear infinite; }
.uvc-center span { font-size: 10px; font-weight: 700; color: #64748b; }
@keyframes spin { to { transform: rotate(360deg); } }

.radar-wrap { position: relative; }

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
.site-footer {
  background: #0d1117; color: #334155;
  padding: 24px 32px; margin-left: 0;
}
.footer-inner {
  max-width: 1060px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px; font-size: 12px;
}
.footer-left { display: flex; align-items: center; gap: 8px; color: #475569; font-weight: 600; }
.footer-left i { color: var(--primary); }
.footer-center { display: flex; align-items: center; gap: 6px; }
.footer-right { color: #1e293b; }

/* Back to top */
.back-top {
  position: fixed; right: 24px; bottom: 28px;
  width: 44px; height: 44px;
  background: var(--primary);
  color: #fff; border: none; border-radius: 50%;
  font-size: 16px; cursor: pointer;
  box-shadow: 0 4px 14px rgba(67,97,238,.4);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(10px);
  transition: opacity .3s, transform .3s;
  z-index: 999;
}
.back-top.visible { opacity: 1; transform: translateY(0); }
.back-top:hover { background: var(--primary-d); }

/* ═══════════════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════════════ */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .bg-layout { grid-template-columns: 1fr; }
  .principle-wrap { grid-template-columns: 1fr; }
  .tier-grid { grid-template-columns: repeat(3, 1fr); }
  .calc-layout { grid-template-columns: 1fr; }
  .sales-layout { grid-template-columns: 1fr; }
  .timeline-line { display: none; }
  .timeline-steps { grid-template-columns: 1fr; }
  .tl-connector { display: none; }
  .tl-step { flex-direction: row; align-items: flex-start; gap: 16px; }
  .tl-card { text-align: left; }
  .tl-chips { justify-content: flex-start; }
}

@media (max-width: 768px) {
  body { padding-left: 0; }
  .sidenav { display: none; }
  .container { padding: 32px 18px 80px; }
  .site-header { padding: 48px 18px 40px; }
  .tier-grid { grid-template-columns: repeat(2, 1fr); }
  .extra-layout { grid-template-columns: 1fr; }
  .result-visual { grid-template-columns: 1fr; }
  .format-layout { grid-template-columns: 1fr; }
  .header-kpi { max-width: 100%; }
  .kpi-num { font-size: 20px; }
}

@media (max-width: 480px) {
  .tier-grid { grid-template-columns: 1fr 1fr; }
  .bg-compare { grid-template-columns: 1fr; }
  .compare-arrow { display: none; }
  .tier-num { font-size: 34px; }
}