/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--r-sm);
  font-family: var(--font-sans);
  font-weight: var(--w-medium);
  font-size: 15px;
  letter-spacing: 0;
  white-space: nowrap;
  transition: all var(--dur-fast) var(--ease-out);
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-lg {
  padding: 16px 28px;
  font-size: 16px;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 13px;
}

.btn-primary {
  background: var(--signal);
  color: var(--ink-100);
  box-shadow: 0 0 0 0 var(--signal-halo);
}

.btn-primary:hover {
  background: var(--signal-bright);
  box-shadow: 0 0 32px var(--signal-halo);
  transform: translateY(-1px);
  color: var(--ink-100);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-100);
  border-color: var(--ink-16);
}

.btn-ghost:hover {
  background: var(--ink-4);
  border-color: var(--ink-32);
  color: var(--ink-100);
}

.btn-glow {
  background: transparent;
  color: var(--glow);
  border-color: var(--glow-soft);
}

.btn-glow:hover {
  background: var(--glow-faint);
  border-color: var(--glow);
  color: var(--glow);
}

.btn-pill {
  border-radius: var(--r-pill);
}

/* ============ NAV ============ */
.nav-wrap {
  position: fixed;
  top: 20px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.nav {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 6px 6px 16px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--ink-8);
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-soft);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-right: 8px;
  border-right: 1px solid var(--ink-8);
  margin-right: 4px;
}

.nav-brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--signal) 0%, var(--glow) 100%);
  display: grid;
  place-items: center;
  color: var(--bg);
  font-weight: var(--w-bold);
  font-size: 14px;
}

.nav-brand-name {
  font-family: var(--font-sans);
  font-weight: var(--w-semi);
  font-size: 14px;
  letter-spacing: -0.01em;
  color: var(--ink-100);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: var(--w-medium);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-64);
  transition: all var(--dur-fast) var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
  color: var(--ink-100);
  background: var(--ink-4);
}

.nav-cta {
  margin-left: 4px;
}

.nav-mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--r-pill);
  align-items: center;
  justify-content: center;
  color: var(--ink-100);
}

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-mobile-toggle { display: inline-flex; }
  .nav { padding: 6px 8px 6px 16px; }
}

.nav-mobile-panel {
  display: none;
  pointer-events: auto;
  position: fixed;
  top: 80px;
  left: 16px;
  right: 16px;
  padding: 24px;
  background: var(--bg-depth);
  border: 1px solid var(--ink-8);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-deep);
  z-index: 99;
  flex-direction: column;
  gap: 8px;
}

.nav-mobile-panel.open {
  display: flex;
}

.nav-mobile-link {
  padding: 14px 16px;
  border-radius: var(--r-md);
  font-size: 16px;
  font-weight: var(--w-medium);
  color: var(--ink-100);
}

.nav-mobile-link:hover {
  background: var(--ink-4);
  color: var(--signal);
}

/* ============ CARDS ============ */
.card {
  background: var(--bg-lift);
  border: 1px solid var(--ink-8);
  border-radius: var(--r-lg);
  padding: 32px;
  transition: all var(--dur-mid) var(--ease-out);
}

.card:hover {
  border-color: var(--ink-16);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.card-feature {
  position: relative;
  overflow: hidden;
}

.card-feature::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal), transparent);
  opacity: 0;
  transition: opacity var(--dur-mid) var(--ease-out);
}

.card-feature:hover::before {
  opacity: 1;
}

.card-number {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--signal);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  font-style: italic;
}

/* ============ TAGS / BADGES ============ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--ink-16);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-64);
  font-weight: var(--w-medium);
}

.tag-signal {
  border-color: var(--signal-glow);
  color: var(--signal);
  background: var(--signal-glow);
}

.tag-gold {
  border-color: var(--gold-soft);
  color: var(--gold);
  background: rgba(201, 168, 106, 0.08);
}

.tag-glow {
  border-color: var(--glow-soft);
  color: var(--glow);
  background: var(--glow-faint);
}

.tag-dot::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

/* ============ FORMS ============ */
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  font-size: 13px;
  font-weight: var(--w-medium);
  color: var(--ink-88);
  letter-spacing: 0.02em;
}

.input,
.textarea,
.select {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-lift);
  border: 1px solid var(--ink-16);
  border-radius: var(--r-sm);
  color: var(--ink-100);
  font-family: var(--font-sans);
  font-size: 15px;
  transition: all var(--dur-fast) var(--ease-out);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--ink-48);
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--signal);
  box-shadow: 0 0 0 4px var(--signal-glow);
}

.textarea {
  resize: vertical;
  min-height: 140px;
  font-family: var(--font-sans);
}

/* ============ DIVIDER ============ */
.divider {
  height: 1px;
  background: var(--ink-8);
  border: 0;
  margin: 0;
}

.divider-glow {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal-halo), transparent);
  border: 0;
}

/* ============ HERO BACKDROP / GLOW ============ */
.signal-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--ink-4) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-4) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 30%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 30%, black 30%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

.signal-orb {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--signal-glow) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}

.glow-orb {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow-soft) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: screen;
}

/* ============ GHOST WORDMARK ============ */
.ghost-wordmark {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(80px, 18vw, 280px);
  font-weight: var(--w-medium);
  letter-spacing: -0.05em;
  color: var(--ink-8);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 1;
}

/* ============ PRICING ============ */
.price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 16px 0;
}

.price-amount {
  font-size: 48px;
  font-weight: var(--w-medium);
  color: var(--ink-100);
  letter-spacing: -0.03em;
  line-height: 1;
}

.price-suffix {
  font-size: 14px;
  color: var(--ink-64);
}

.price-popular {
  border-color: var(--signal);
  position: relative;
}

.price-popular::after {
  content: "MOST POPULAR";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--signal);
  color: var(--ink-100);
  padding: 4px 12px;
  border-radius: var(--r-pill);
  font-size: 10px;
  font-weight: var(--w-bold);
  letter-spacing: 0.1em;
}

/* ============ FEATURE LIST ============ */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--ink-88);
  line-height: 1.5;
}

.feature-list li::before {
  content: "";
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  background: var(--signal-glow);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%233B82F6'%3E%3Cpath d='M13.5 4.5L6 12L2.5 8.5' stroke='%233B82F6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-size: contain;
}

/* ============ FOOTER ============ */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--ink-8);
  background: var(--bg-depth);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

.footer-col h5 {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-64);
  margin-bottom: 16px;
  font-weight: var(--w-medium);
}

.footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: var(--ink-88);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--ink-8);
  font-size: 12px;
  color: var(--ink-48);
  flex-wrap: wrap;
  gap: 16px;
}

/* ============ UTILITY ============ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.text-center { text-align: center; }
.relative { position: relative; }
.z-10 { z-index: 10; }

.grid {
  display: grid;
  gap: var(--s-24);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 880px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

/* ============ REVEAL ANIMATION ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ============ GOOEY MORPH TEXT ============ */
.gooey-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.gooey-stage {
  position: relative;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

.gooey-stack {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gooey-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: var(--w-semi);
  font-size: clamp(64px, 13vw, 144px);
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--signal);
  user-select: none;
  white-space: nowrap;
  text-shadow: 0 0 60px var(--signal-halo);
}

@media (max-width: 768px) {
  .gooey-stage { height: 110px; }
}

/* ============ SPLINE ============ */
spline-viewer {
  width: 100%;
  height: 100%;
  display: block;
}

.spline-shell {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 600px;
  margin: 0 auto;
}

.spline-shell::after {
  content: "";
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle, var(--signal-glow) 0%, transparent 60%);
  filter: blur(40px);
  z-index: -1;
  pointer-events: none;
}