/* ============================================================
   LinkWrks — Components v3
   ============================================================ */

/* ── Navbar ──────────────────────────────────────────────── */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.navbar.is-scrolled {
  background: rgba(3,7,18,0.82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom-color: var(--clr-border);
  box-shadow: 0 1px 0 rgba(255,255,255,0.02);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo-svg {
  height: 20px;
  width: auto;
  fill: var(--clr-text);
  transition: opacity var(--dur-fast);
}

.navbar__logo:hover .navbar__logo-svg { opacity: 0.85; }

.navbar__nav {
  display: none;
  align-items: center;
  gap: var(--sp-8);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

@media (min-width: 768px) { .navbar__nav { display: flex; } }

.navbar__link {
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-muted);
  letter-spacing: 0.005em;
  transition: color var(--dur-fast);
  position: relative;
  padding-block: var(--sp-1);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 1.5px;
  background: var(--clr-emerald-500);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--dur-base) var(--ease-out);
}

.navbar__link:hover { color: var(--clr-text); }
.navbar__link:hover::after,
.navbar__link.is-active::after { transform: scaleX(1); }
.navbar__link.is-active { color: var(--clr-text); }

.navbar__actions {
  display: none;
  align-items: center;
  gap: var(--sp-3);
}

@media (min-width: 640px) { .navbar__actions { display: flex; } }

/* ── Hamburger ───────────────────────────────────────────── */

.navbar__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
}

@media (min-width: 768px) { .navbar__hamburger { display: none; } }

.navbar__hamburger-line {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--clr-text-muted);
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base);
}

.navbar__hamburger.is-active .navbar__hamburger-line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.navbar__hamburger.is-active .navbar__hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar__hamburger.is-active .navbar__hamburger-line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Mobile Menu ─────────────────────────────────────────── */

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height); left: 0; right: 0;
  z-index: 99;
  background: rgba(3,7,18,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  padding: var(--sp-4) var(--sp-5) var(--sp-8);
  flex-direction: column;
  gap: var(--sp-1);
}

.mobile-menu.is-open { display: flex; }

.mobile-menu__link {
  display: block;
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-md);
  font-weight: var(--fw-medium);
  color: var(--clr-text-muted);
  border-radius: var(--radius-md);
  transition: color var(--dur-fast), background var(--dur-fast);
}

.mobile-menu__link:hover { color: var(--clr-text); background: var(--clr-surface-2); }

.mobile-menu__divider { height: 1px; background: var(--clr-border); margin-block: var(--sp-3); }

.mobile-menu__actions { display: flex; flex-direction: column; gap: var(--sp-3); padding-top: var(--sp-2); }

/* ── Buttons ─────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  line-height: 1;
  padding: 0.75rem var(--sp-5);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: 0.01em;
  transition: all var(--dur-fast) var(--ease-out);
  user-select: none;
  position: relative;
  overflow: hidden;
}

.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--clr-emerald-500);
  border-color: var(--clr-emerald-500);
  color: #fff;
  font-weight: var(--fw-semibold);
}

.btn--primary:hover {
  background: var(--clr-emerald-400);
  border-color: var(--clr-emerald-400);
  box-shadow: 0 0 24px rgba(16,185,129,0.25);
}

.btn--ghost {
  background: transparent;
  border-color: var(--clr-border-mid);
  color: var(--clr-text-muted);
}

.btn--ghost:hover {
  border-color: rgba(255,255,255,0.15);
  color: var(--clr-text);
  background: rgba(255,255,255,0.03);
}

.btn--outline {
  background: transparent;
  border-color: rgba(16,185,129,0.25);
  color: var(--clr-emerald-400);
}

.btn--outline:hover {
  background: rgba(16,185,129,0.06);
  border-color: var(--clr-emerald-500);
}

.btn--lg {
  font-size: var(--text-base);
  padding: 0.875rem var(--sp-8);
  border-radius: var(--radius-lg);
}

.btn--sm {
  font-size: var(--text-xs);
  padding: 0.5rem var(--sp-4);
}

.btn--full { width: 100%; }

/* ── Pill / Badge ────────────────────────────────────────── */

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.02em;
}

.pill--emerald {
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.15);
  color: var(--clr-emerald-400);
}

.pill--cyan {
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.15);
  color: var(--clr-cyan-400);
}

.pill--dim {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
}

/* ── Card ────────────────────────────────────────────────── */

.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  transition: border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
  position: relative;
}

.card:hover {
  border-color: var(--clr-border-brand);
  box-shadow: var(--shadow-glow-sm);
  transform: translateY(-3px);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: var(--sp-6);
  flex-shrink: 0;
}

.card__icon--emerald {
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.12);
}

.card__icon--cyan {
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.12);
}

.card__icon--amber {
  background: rgba(251,191,36,0.08);
  border: 1px solid rgba(251,191,36,0.12);
}

.card__title {
  font-size: var(--text-lg);
  font-weight: var(--fw-semibold);
  color: var(--clr-text);
  margin-bottom: var(--sp-3);
  letter-spacing: var(--ls-tight);
}

.card__body {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  line-height: var(--lh-relaxed);
}

/* ── Check List ──────────────────────────────────────────── */

.check-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.check-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  line-height: var(--lh-relaxed);
}

.check-list__item::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: var(--radius-full);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2310b981'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 11px;
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 2px;
}

/* ── Glow Elements ───────────────────────────────────────── */

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

/* ── Footer ──────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--clr-border);
  padding-block: var(--sp-16) var(--sp-10);
  background: var(--clr-surface);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-10);
  margin-bottom: var(--sp-12);
}

@media (min-width: 640px)  { .footer__grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 1024px) { .footer__grid { grid-template-columns: 2.5fr 1fr 1fr 1fr; } }

.footer__brand { max-width: 300px; }

.footer__logo {
  display: flex;
  align-items: center;
  margin-bottom: var(--sp-5);
}

.footer__logo-svg {
  height: 18px;
  width: auto;
  fill: var(--clr-text-muted);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--clr-text-subtle);
  line-height: var(--lh-relaxed);
}

.footer__heading {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text-subtle);
  margin-bottom: var(--sp-5);
}

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

.footer__link {
  font-size: var(--text-sm);
  color: var(--clr-text-subtle);
  transition: color var(--dur-fast);
}

.footer__link:hover { color: var(--clr-text-muted); }

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--clr-border);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer__copy { font-size: var(--text-xs); color: var(--clr-text-subtle); }

.footer__legal { display: flex; flex-wrap: wrap; gap: var(--sp-5); }

.footer__legal-link {
  font-size: var(--text-xs);
  color: var(--clr-text-subtle);
  transition: color var(--dur-fast);
}

.footer__legal-link:hover { color: var(--clr-text-muted); }

/* ── SCO Badge ───────────────────────────────────────────── */

.sco-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.375rem 0.75rem;
  background: rgba(16,185,129,0.05);
  border: 1px solid rgba(16,185,129,0.12);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--clr-emerald-400);
  font-weight: var(--fw-medium);
  letter-spacing: 0.02em;
}

.sco-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-emerald-400);
  box-shadow: 0 0 8px var(--clr-emerald-500);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}