/* ═══════════════════════════════════════════════════════════════
   QTSI — components.css
   Buttons · Cards · Tags · Glass panels · Nav · Footer
═══════════════════════════════════════════════════════════════ */

/* ── 1. Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
  /* Only transform + box-shadow — no layout properties */
  transition:
    transform   150ms cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow  250ms cubic-bezier(0.16, 1, 0.3, 1),
    background  200ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color 200ms cubic-bezier(0.16, 1, 0.3, 1),
    opacity     150ms linear;
  -webkit-user-select: none;
  user-select: none;
  position: relative;
  overflow: hidden;
  /* Touch target */
  min-height: 44px;
}

.btn:active { transform: scale(0.96); }

/* Ripple-like press effect via ::after */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(255,255,255,.08);
  opacity: 0;
  transition: opacity 150ms linear;
}
.btn:active::after { opacity: 1; }

/* — Primary — */
.btn-primary {
  background: var(--blue);
  color: #fff;
  border-color: rgba(0,82,204,.6);
  box-shadow: 0 0 20px rgba(0,112,243,.25), 0 2px 8px rgba(0,0,0,.5);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,112,243,.45), 0 2px 8px rgba(0,0,0,.5);
}

/* — Secondary / ghost — */
.btn-secondary {
  background: rgba(255,255,255,.07);
  color: var(--text-primary);
  border-color: rgba(255,255,255,.13);
}
.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.22);
  transform: translateY(-2px);
}

/* — Green — */
.btn-green {
  background: var(--green);
  color: #fff;
  border-color: var(--green-dark);
  box-shadow: 0 0 20px rgba(93,185,55,.20), 0 2px 8px rgba(0,0,0,.5);
}
.btn-green:hover,
.btn-green:focus-visible {
  background: var(--green-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(93,185,55,.40), 0 2px 8px rgba(0,0,0,.5);
}

/* — Outline — */
.btn-outline {
  background: transparent;
  color: var(--blue-light);
  border-color: var(--border-blue);
}
.btn-outline:hover,
.btn-outline:focus-visible {
  background: rgba(0,112,243,.10);
  border-color: rgba(0,112,243,.55);
  transform: translateY(-2px);
}

/* — Small — */
.btn-sm {
  padding: 9px 20px;
  font-size: 0.8rem;
  min-height: 36px;
}

/* Arrow nudge */
.btn .icon-arrow {
  transition: transform 150ms cubic-bezier(0.34, 1.56, 0.64, 1);
  flex-shrink: 0;
}
.btn:hover .icon-arrow { transform: translateX(4px); }

/* ── 2. Cards ─────────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  position: relative;
  /* overflow: visible so content is never clipped; use .section-clip on containers */
  overflow: visible;
  /* Own stacking context */
  isolation: isolate;
  transition:
    transform     250ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow    250ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color  250ms cubic-bezier(0.16, 1, 0.3, 1),
    background    250ms cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), var(--shadow-blue);
  border-color: var(--border-blue);
  background: var(--bg-surface-md);
}

.card--green:hover {
  box-shadow: var(--shadow-lg), var(--shadow-green);
  border-color: var(--border-green);
}

.card--flat {
  background: var(--bg-raised);
  border-color: var(--border-md);
}
.card--flat:hover {
  background: var(--bg-elevated);
}

/* Top edge gradient accent */
.card--accent-blue::before {
  content: '';
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue) 0%, var(--blue-light) 100%);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
}

.card--accent-green::before {
  content: '';
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green-dark) 0%, var(--green-light) 100%);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
}

.card--accent-brand::before {
  content: '';
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 2px;
  background: var(--grad-brand);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
}

/* ── 3. Glass panel ───────────────────────────────────────── */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--glass-border);
}

.glass-sm {
  background: rgba(15,15,24,.65);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border: 1px solid var(--border);
}

/* ── 4. Service icon box ──────────────────────────────────── */
.icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 250ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.icon-box--blue {
  background: rgba(0,112,243,.14);
  border: 1px solid rgba(0,112,243,.25);
  color: var(--blue-light);
}

.icon-box--green {
  background: rgba(93,185,55,.12);
  border: 1px solid rgba(93,185,55,.22);
  color: var(--green-light);
}

.icon-box--grad {
  background: linear-gradient(135deg, rgba(0,112,243,.18) 0%, rgba(93,185,55,.14) 100%);
  border: 1px solid rgba(0,112,243,.22);
  color: var(--blue-light);
}

.card:hover .icon-box { transform: scale(1.10) rotate(-3deg); }

/* ── 5. Tag / badge ───────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tag--blue {
  background: rgba(0,112,243,.12);
  color: var(--blue-light);
  border: 1px solid rgba(0,112,243,.25);
}

.tag--green {
  background: rgba(93,185,55,.11);
  color: var(--green-light);
  border: 1px solid rgba(93,185,55,.22);
}

.tag--white {
  background: rgba(255,255,255,.07);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

/* ── 6. Dot indicator ─────────────────────────────────────── */
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot--blue  { background: var(--blue); box-shadow: 0 0 6px rgba(0,112,243,.6); }
.dot--green { background: var(--green); box-shadow: 0 0 6px rgba(93,185,55,.6); }

/* ── 7. Navigation ────────────────────────────────────────── */
#site-nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: var(--z-nav);
  padding-block: 16px;
  transition:
    background   300ms cubic-bezier(0.16, 1, 0.3, 1),
    padding      300ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow   300ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color 300ms cubic-bezier(0.16, 1, 0.3, 1);
  /* Start transparent */
  background: transparent;
  border-bottom: 1px solid transparent;
}

#site-nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}

/* ── Logo — desktop nav ───────────────────────────────────── */
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  min-height: 44px;
  /* No padding, no background, no border — logo is transparent RGBA PNG */
}

.nav-logo img {
  height: 52px;
  width: auto;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  background: none;
  border: none;
  box-shadow: none;
}

@media (max-width: 1024px) {
  .nav-logo img { height: 44px; }
}

/* ── Logo — mobile drawer ─────────────────────────────────── */
.nav-mobile-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-6);
  /* No background, no box */
}

.nav-mobile-logo img {
  height: 80px;
  width: auto;
  display: block;
  background: none;
  border: none;
  box-shadow: none;
}

/* Desktop links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  list-style: none;
}

.nav-links a {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition:
    color      200ms cubic-bezier(0.16, 1, 0.3, 1),
    background 200ms cubic-bezier(0.16, 1, 0.3, 1);
  min-height: 44px;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,.06);
}

/* Active page — highlight without aria-current="false" pollution */
.nav-links a.is-active {
  color: var(--text-primary);
  background: rgba(255,255,255,.07);
  font-weight: 600;
}

/* CTA pair */
.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}

/* Phone trust signal in nav (desktop only) */
.nav-phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  padding: 0 var(--sp-2);
  transition: color 200ms;
}
.nav-phone:hover { color: var(--text-secondary); }
.nav-phone svg { color: var(--green-light); flex-shrink: 0; }

@media (max-width: 1200px) { .nav-phone { display: none; } }

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  border-radius: var(--r-sm);
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 200ms linear;
}

.nav-hamburger:hover { background: var(--bg-surface-md); }

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1), opacity 200ms linear;
}

/* Hamburger — open state */
.nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer */
.nav-mobile {
  position: fixed;
  inset: 0;
  top: 0;
  z-index: calc(var(--z-nav) - 1);
  background: rgba(7,7,12,.96);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  padding: var(--sp-20) var(--sp-6) var(--sp-12);
  /* Hidden via opacity + visibility, NOT an off-screen translateX(100%):
     a fixed element pushed off the right edge expands the document width on
     phones (horizontal overflow). It stays at inset:0 and just fades; a small
     slide keeps the motion. */
  opacity: 0;
  visibility: hidden;
  transform: translateX(28px);
  transition:
    opacity    320ms cubic-bezier(0.16, 1, 0.3, 1),
    transform  400ms cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s linear 400ms;
  pointer-events: none;
}

.nav-mobile.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  transition:
    opacity    320ms cubic-bezier(0.16, 1, 0.3, 1),
    transform  400ms cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s;
  pointer-events: auto;
}

.nav-mobile a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--r-md);
  min-height: 56px;
  display: flex;
  align-items: center;
  transition: color 200ms, background 200ms;
}

.nav-mobile a:hover { color: var(--text-primary); background: var(--bg-surface); }

@media (max-width: 1024px) {
  .nav-links,
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
}

@media (min-width: 1025px) {
  .nav-mobile { display: none; }
}

/* ── 8. Footer ────────────────────────────────────────────── */
#site-footer {
  background: var(--bg-void);
  border-top: 1px solid var(--border);
  padding-block: var(--sp-24) var(--sp-12);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-12);
  margin-bottom: var(--sp-16);
}

.footer-brand img {
  height: 60px;
  width: auto;
  display: block;
  margin-bottom: var(--sp-5);
  image-rendering: -webkit-optimize-contrast;
  background: none;
  border: none;
  box-shadow: none;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 300px;
  margin-bottom: var(--sp-6);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--sp-3);
  transition: color 200ms;
}

.footer-contact-item:hover { color: var(--text-primary); }

.footer-col-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--sp-5);
}

.footer-col ul { display: flex; flex-direction: column; gap: var(--sp-3); }

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 200ms, padding-left 200ms;
  display: inline-block;
  padding-block: 2px;
}

.footer-col a:hover {
  color: var(--blue-light);
  padding-left: 4px;
}

/* Social row */
.footer-social {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: background 200ms, color 200ms, border-color 200ms, transform 150ms cubic-bezier(0.34,1.56,0.64,1);
}

.footer-social a:hover {
  background: rgba(0,112,243,.15);
  border-color: var(--border-blue);
  color: var(--blue-light);
  transform: translateY(-2px);
}

/* Bottom bar */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  transition: color 200ms;
}
.footer-bottom a:hover { color: var(--blue-light); }

/* Credit pill */
.nexora-credit {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(0,112,243,.08);
  border: 1px solid var(--border-blue);
  color: var(--blue-light);
  transition: background 200ms, box-shadow 200ms;
}

.nexora-credit:hover {
  background: rgba(0,112,243,.15);
  box-shadow: 0 0 16px rgba(0,112,243,.20);
  color: var(--blue-light);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-10);
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ── 9. Benefit list item ─────────────────────────────────── */
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.benefit-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(93,185,55,.15);
  border: 1px solid rgba(93,185,55,.28);
  color: var(--green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── 10. Stat block ───────────────────────────────────────── */
.stat-block {
  text-align: center;
  padding: var(--sp-6);
}

.stat-value {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: var(--sp-2);
}

.stat-label {
  font-size: 0.825rem;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
}