/* ============================================================
   VPNXE Design System — Home page styles
   Frost-blue dispatch window system
   ============================================================ */

/* ---------- SVG flag color helpers ---------- */
.f-red   { fill: var(--flag-red); }
.f-blue  { fill: var(--flag-blue); }
.f-gold  { fill: var(--flag-gold); }
.f-black { fill: var(--flag-black); }
.f-white { fill: var(--flag-white); }
.f-ring  { fill: none; stroke: var(--border); stroke-width: 1; }
.st-white { stroke: var(--flag-white); fill: none; }
.st-red   { stroke: var(--flag-red); fill: none; }

/* ---------- Peek edge (hero bottom transition) ---------- */
.peek {
  border-top: 1px solid var(--border);
  background: var(--panel);
}

.peek-in {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px var(--gutter) 60px;
  display: flex;
  align-items: baseline;
  gap: 18px;
}

.peek-kicker {
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: .14em;
  color: var(--accent-dark);
  text-transform: uppercase;
  flex: none;
}

.peek h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--text);
}

/* ---------- Section scaffolding ---------- */
.sec {
  padding-top: 76px;
  padding-bottom: 76px;
}

.sec-head {
  max-width: 760px;
  margin-bottom: 44px;
}

.sec-head .kicker {
  margin-bottom: 0;
}

.sec-head h2 {
  margin-top: 16px;
}

.sec-desc {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.sec-foot {
  margin-top: 32px;
}

.sec-foot a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 800;
  color: var(--accent-dark);
  transition: gap .15s;
}

.sec-foot a:hover {
  gap: 10px;
}

/* ---------- Feature sections (alternating two-column) ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 60px;
  align-items: center;
  padding: 44px 0;
  border-top: 1px solid var(--border-soft);
}

.feature-grid:first-of-type {
  border-top: none;
  padding-top: 0;
}

.feature-grid.rev .feature-text {
  order: 2;
}

.feature-grid.rev .feature-panel {
  order: 1;
}

.feature-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 800;
  color: var(--accent-dark);
  background: var(--accent-tint);
  border: 1px solid var(--accent);
  border-radius: var(--r-pill);
  padding: 5px 13px;
  letter-spacing: .02em;
}

.feature-text h3 {
  margin-top: 14px;
  font-size: 24px;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.01em;
}

.feature-text p {
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 480px;
}

.feature-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-l);
  padding: 28px;
  box-shadow: var(--shadow-card);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

/* Panel: speed bars */
.speed-bars {
  display: grid;
  gap: 14px;
}

.speed-bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.speed-bar-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  width: 64px;
  flex: none;
}

.speed-bar-track {
  flex: 1;
  height: 8px;
  background: var(--bg-soft);
  border-radius: var(--r-pill);
  overflow: hidden;
}

.speed-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: var(--r-pill);
}

.speed-bar-val {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  width: 52px;
  text-align: right;
  flex: none;
}

/* Panel: shield */
.shield-demo {
  display: flex;
  align-items: center;
  gap: 16px;
}

.shield-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r-m);
  background: var(--accent-tint);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-dark);
  flex: none;
}

.shield-icon svg {
  width: 28px;
  height: 28px;
}

.shield-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.shield-text span {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-top: 4px;
}

/* Panel: device grid */
.device-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.device-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 8px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--r-s);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text);
}

.device-cell svg {
  width: 22px;
  height: 22px;
  color: var(--muted);
}

/* Panel: AI chips */
.ai-demo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ai-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-dark);
  background: var(--accent-tint);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 9px 13px;
}

.ai-chip .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

/* Panel: streaming rows */
.stream-row {
  display: grid;
  gap: 10px;
}

.stream-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--r-s);
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.stream-item .ok {
  font-size: 12px;
  font-weight: 800;
  color: var(--success);
}

/* Panel: refund card */
.refund-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--lift);
  border: 1px solid var(--border);
  border-radius: var(--r-m);
  padding: 18px 20px;
  box-shadow: var(--shadow-card);
}

.refund-num {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 800;
  color: var(--accent-dark);
  flex: none;
}

.refund-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.refund-text span {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-top: 4px;
}

/* ---------- Traffic pack note ---------- */
.traffic-note {
  margin-top: 28px;
  padding: 18px 22px;
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: var(--r-m);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.traffic-note strong {
  color: var(--accent-dark);
}

/* ---------- Why choose us ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.why-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-m);
  padding: 24px;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}

.why-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.why-item h3 {
  font-size: 17px;
  font-weight: 900;
  margin-bottom: 8px;
}

.why-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 32px 0;
  }

  .feature-grid.rev .feature-text {
    order: 1;
  }

  .feature-grid.rev .feature-panel {
    order: 2;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .sec {
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .peek-in {
    flex-direction: column;
    gap: 6px;
    padding: 22px var(--gutter) 40px;
  }

  .device-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}