/* ═══════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 13px 24px;
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--duration) var(--ease-out),
    border-color var(--duration) var(--ease-out),
    color var(--duration) var(--ease-out),
    transform var(--duration) var(--ease-out),
    gap var(--duration) var(--ease-out);
  white-space: nowrap;
  position: relative;
  border-radius: var(--radius-sm);
}

.btn:hover { transform: translateY(-1px); gap: var(--s3); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--k-teal);
  color: var(--k-black);
  border: 1px solid var(--k-teal);
}

.btn-primary:hover {
  background: var(--k-teal-light);
  border-color: var(--k-teal-light);
}

.btn-ghost {
  background: transparent;
  color: var(--k-white);
  border: 1px solid var(--k-grey-300);
}

.btn-ghost:hover {
  border-color: var(--k-grey-500);
  background: var(--k-grey-200);
}

.btn-text {
  background: transparent;
  color: var(--k-grey-500);
  border: 1px solid transparent;
  padding: 13px 0;
}

.btn-text:hover {
  color: var(--k-teal);
  transform: none;
}

.btn .btn-arrow {
  flex-shrink: 0;
  transition: transform var(--duration) var(--ease-out);
}

.btn:hover .btn-arrow { transform: translateX(3px); }

/* ═══════════════════════════════════════════
   BADGES
═══════════════════════════════════════════ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 5px 10px;
  border: 1px solid;
  border-radius: 0;
}

.badge--active {
  color: var(--k-teal);
  border-color: rgba(14,165,160,0.3);
  background: var(--k-teal-dim);
}

.badge--ready {
  color: var(--k-grey-500);
  border-color: var(--k-grey-400);
  background: transparent;
}

.badge--soon {
  color: var(--k-grey-400);
  border-color: var(--k-grey-300);
  background: transparent;
  opacity: 0.6;
}

.badge-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.badge--active .badge-dot {
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

/* ═══════════════════════════════════════════
   CARDS
═══════════════════════════════════════════ */

.card {
  border: var(--border);
  padding: var(--s6);
  background: var(--k-grey-100);
  transition: border-color var(--duration) var(--ease-out);
  border-radius: var(--radius-sm);
}

.card:hover {
  border-color: var(--k-grey-400);
}

.card--featured {
  border-color: var(--k-teal);
}

/* ═══════════════════════════════════════════
   SECTION EYEBROW
═══════════════════════════════════════════ */

.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--s3);
  margin-bottom: var(--s5);
}

.eyebrow-line {
  width: 28px;
  height: 1px;
  background: var(--k-teal);
  flex-shrink: 0;
}

.eyebrow-text {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--k-teal);
}

/* ═══════════════════════════════════════════
   NAV
═══════════════════════════════════════════ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  transition:
    background var(--duration-md) var(--ease-out),
    border-color var(--duration-md) var(--ease-out),
    backdrop-filter var(--duration-md) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(8,8,8,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--k-grey-200);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s5);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s6);
}

.nav-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s6);
}

.nav-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--k-grey-500);
  transition: color var(--duration) var(--ease-out);
  letter-spacing: 0.01em;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--k-white);
}

.nav-cta {
  color: var(--k-teal) !important;
  border: 1px solid rgba(14,165,160,0.3);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: background var(--duration) var(--ease-out),
              border-color var(--duration) var(--ease-out) !important;
}

.nav-cta:hover {
  background: var(--k-teal-dim);
  border-color: var(--k-teal) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--s2);
  cursor: pointer;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--k-white);
  transition: transform var(--duration) var(--ease-out),
              opacity var(--duration) var(--ease-out);
  transform-origin: center;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile drawer */
.nav-drawer {
  position: fixed;
  inset: 0;
  background: var(--k-black);
  z-index: calc(var(--z-nav) - 1);
  display: flex;
  flex-direction: column;
  padding: 100px var(--s5) var(--s7);
  transform: translateX(100%);
  transition: transform var(--duration-md) var(--ease-out);
}

.nav-drawer.open {
  transform: translateX(0);
}

.nav-drawer-links {
  display: flex;
  flex-direction: column;
  gap: var(--s5);
}

.nav-drawer-links a {
  font-family: var(--font-display);
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--k-grey-400);
  transition: color var(--duration) var(--ease-out);
}

.nav-drawer-links a:hover {
  color: var(--k-white);
}

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */

.footer {
  border-top: var(--border);
  padding: var(--s8) 0 var(--s6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--s8);
  margin-bottom: var(--s8);
}

.footer-tagline {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--k-grey-500);
  margin-top: var(--s4);
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--k-grey-400);
  margin-bottom: var(--s4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--k-grey-500);
  transition: color var(--duration) var(--ease-out);
}

.footer-links a:hover { color: var(--k-white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--s5);
  border-top: var(--border);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--k-grey-400);
  letter-spacing: 0.08em;
}

/* ═══════════════════════════════════════════
   BROWSER MOCKUP (product showcase)
═══════════════════════════════════════════ */

.browser-screenshot {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.browser-screenshot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  user-select: none;
  pointer-events: none;
  transition: transform 0.7s var(--ease-out);
}

.product-card:hover .browser-screenshot img {
  transform: scale(1.03);
}

.screenshot-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--k-grey-200);
}

.screenshot-placeholder-text {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--k-grey-400);
}

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--s6);
  }

  .footer-grid > :first-child {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--s3);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}