/* ============================================================
   THE NEXARA — style.css
   Design system: dark terminal finance
   Ground #0a0a0a · Surface #141414 · Accent mint #00d9a3
   Display: Space Grotesk · UI: Inter · Numerals: tabular
   ============================================================ */

:root {
  --nx-bg: #0a0a0a;
  --nx-surface: #141414;
  --nx-surface-2: #1a1a1a;
  --nx-border: rgba(255, 255, 255, 0.08);
  --nx-accent: #00d9a3;
  --nx-accent-dim: rgba(0, 217, 163, 0.12);
  --nx-down: #ff4d4d;
  --nx-text: #ffffff;
  --nx-text-2: #9ca3af;
  --nx-text-3: #6b7280;
  --nx-font-display: "Space Grotesk", sans-serif;
  --nx-font-body: "Inter", sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--nx-bg);
  color: var(--nx-text);
  font-family: var(--nx-font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--nx-accent); color: #0a0a0a; }

/* ---------- type ---------- */
.nx-display {
  font-family: var(--nx-font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 4.6vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
}

.nx-h2 {
  font-family: var(--nx-font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.nx-h3 {
  font-family: var(--nx-font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.nx-overline {
  font-family: var(--nx-font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--nx-accent);
  margin-bottom: 0.9rem;
}

.nx-lead { color: var(--nx-text-2); font-size: 1.06rem; max-width: 520px; }
.nx-body { color: var(--nx-text-2); font-size: 0.95rem; }
.nx-body-lg { font-size: 1.02rem; }
.nx-accent { color: var(--nx-accent); }
.nx-microcopy { color: var(--nx-text-3); font-size: 0.8rem; letter-spacing: 0.04em; }
.nx-muted-small { color: var(--nx-text-3); font-size: 0.72rem; letter-spacing: 0.08em; }

.nx-price, .nx-stat-num, .nx-big-num, .nx-plan-num, .nx-clock,
.nx-table td[data-price], .nx-ticker-track, .nx-alloc-row b {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

/* ---------- buttons ---------- */
.btn { border-radius: 8px; font-weight: 600; font-size: 0.9rem; }

.nx-btn-solid {
  background: var(--nx-accent);
  border: 1px solid var(--nx-accent);
  color: #0a0a0a;
  padding: 0.55rem 1.3rem;
}
.nx-btn-solid:hover, .nx-btn-solid:focus {
  background: #00f0b5;
  border-color: #00f0b5;
  color: #0a0a0a;
}

.nx-btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--nx-text);
  padding: 0.55rem 1.3rem;
}
.nx-btn-outline:hover, .nx-btn-outline:focus {
  border-color: var(--nx-accent);
  color: var(--nx-accent);
  background: transparent;
}

.nx-btn-ghost {
  background: transparent;
  border: 1px solid var(--nx-border);
  color: var(--nx-text);
  padding: 0.5rem 1.15rem;
}
.nx-btn-ghost:hover, .nx-btn-ghost:focus {
  border-color: var(--nx-accent);
  color: var(--nx-accent);
}

.nx-btn-lg { padding: 0.8rem 1.9rem; font-size: 0.95rem; }

/* ---------- navbar ---------- */
.nx-navbar {
  background: rgba(10, 10, 10, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  padding: 0.9rem 0;
  transition: border-color 0.3s ease, padding 0.3s ease;
}
.nx-navbar.nx-scrolled { border-bottom-color: var(--nx-border); padding: 0.6rem 0; }

.nx-brand {
  font-family: var(--nx-font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.14em;
  color: var(--nx-text);
}

.nx-link {
  color: var(--nx-text-2) !important;
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin: 0 0.35rem;
  position: relative;
  transition: color 0.2s ease;
}
.nx-link:hover, .nx-link:focus { color: var(--nx-text) !important; }
.nx-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--nx-accent);
  opacity: 0;
  transform: translateX(-50%);
  transition: opacity 0.2s ease;
}
.nx-link:hover::after { opacity: 1; }

.nx-toggler { border: 1px solid var(--nx-border); padding: 0.5rem 0.6rem; }
.nx-toggler:focus { box-shadow: none; border-color: var(--nx-accent); }
.nx-toggler-bar { display: block; width: 18px; height: 1.5px; background: var(--nx-text); margin: 4px 0; }

.nx-toast {
  background: var(--nx-surface-2);
  border: 1px solid var(--nx-border);
  color: var(--nx-text);
  font-size: 0.85rem;
}

/* ---------- ticker tape ---------- */
.nx-ticker {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  z-index: 1020;
  background: #0d0f0e;
  border-bottom: 1px solid var(--nx-border);
  overflow: hidden;
  height: 34px;
  display: flex;
  align-items: center;
}
.nx-ticker-track {
  display: flex;
  gap: 2.75rem;
  white-space: nowrap;
  animation: nx-marquee 40s linear infinite;
  will-change: transform;
}
.nx-ticker:hover .nx-ticker-track { animation-play-state: paused; }
@keyframes nx-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.nx-tick { font-size: 0.76rem; letter-spacing: 0.05em; color: var(--nx-text-2); }
.nx-tick b { color: var(--nx-text); font-weight: 600; margin-left: 0.45rem; }
.nx-tick .up { color: var(--nx-accent); margin-left: 0.4rem; }
.nx-tick .down { color: var(--nx-down); margin-left: 0.4rem; }

/* ---------- hero ---------- */
.nx-hero {
  position: relative;
  padding: 190px 0 110px;
  background:
    radial-gradient(900px 500px at 78% 20%, rgba(0, 217, 163, 0.07), transparent 60%),
    var(--nx-bg);
}
.nx-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black 30%, transparent 75%);
  pointer-events: none;
}

/* ---------- terminal card ---------- */
.nx-terminal {
  background: var(--nx-surface);
  border: 1px solid var(--nx-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}
.nx-terminal-head {
  padding: 0.8rem 1.2rem;
  border-bottom: 1px solid var(--nx-border);
  background: var(--nx-surface-2);
}
.nx-terminal-title { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; color: var(--nx-text); }
.nx-clock { font-size: 0.74rem; color: var(--nx-text-3); letter-spacing: 0.06em; }
.nx-terminal-body { padding: 1.2rem 1.2rem 1.4rem; }

.nx-live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--nx-accent);
  box-shadow: 0 0 8px var(--nx-accent);
  animation: nx-pulse 1.6s ease-in-out infinite;
  flex: none;
}
@keyframes nx-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.nx-price {
  font-family: var(--nx-font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  transition: color 0.25s ease;
}
.nx-price.flash-up { color: var(--nx-accent); }
.nx-price.flash-down { color: var(--nx-down); }

.nx-badge-up, .nx-badge-down {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
}
.nx-badge-up { color: var(--nx-accent); background: var(--nx-accent-dim); }
.nx-badge-down { color: var(--nx-down); background: rgba(255, 77, 77, 0.12); }

.nx-chart { width: 100%; height: 240px; display: block; }
.nx-stat-num { font-family: var(--nx-font-display); font-weight: 600; font-size: 0.98rem; }
.nx-divider { border-color: var(--nx-border); opacity: 1; margin: 1.1rem 0; }

.nx-alloc-row {
  display: grid;
  grid-template-columns: 105px 1fr 38px;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.76rem;
  color: var(--nx-text-2);
  margin-bottom: 0.5rem;
}
.nx-alloc-row b { color: var(--nx-text); font-weight: 600; text-align: right; }
.nx-alloc-bar { height: 4px; background: rgba(255, 255, 255, 0.07); border-radius: 2px; overflow: hidden; }
.nx-alloc-bar i {
  display: block;
  height: 100%;
  background: var(--nx-accent);
  border-radius: 2px;
  transform-origin: left;
  animation: nx-grow 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes nx-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ---------- stats ---------- */
.nx-stats {
  border-top: 1px solid var(--nx-border);
  border-bottom: 1px solid var(--nx-border);
  padding: 3.2rem 0;
  background: #0d0d0d;
}
.nx-big-num {
  font-family: var(--nx-font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--nx-text);
}

/* ---------- sections ---------- */
.nx-section { padding: 6.5rem 0; }
.nx-section-alt { background: #0d0d0d; border-top: 1px solid var(--nx-border); border-bottom: 1px solid var(--nx-border); }

/* ---------- market table ---------- */
.nx-filter-group .nx-filter {
  background: transparent;
  border: 1px solid var(--nx-border);
  color: var(--nx-text-2);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.95rem;
}
.nx-filter-group .nx-filter.active {
  background: var(--nx-accent-dim);
  border-color: var(--nx-accent);
  color: var(--nx-accent);
}
.nx-filter-group .btn:first-child { border-radius: 8px 0 0 8px; }
.nx-filter-group .btn:last-child { border-radius: 0 8px 8px 0; }

.nx-table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--nx-text);
  --bs-table-border-color: var(--nx-border);
  --bs-table-hover-bg: rgba(255, 255, 255, 0.02);
  --bs-table-hover-color: var(--nx-text);
  --bs-table-striped-bg: transparent;
  --bs-table-active-bg: transparent;
  color: var(--nx-text);
  border-color: var(--nx-border);
  margin-bottom: 0;
}
.nx-table thead th {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--nx-text-3);
  background: transparent;
  border-bottom: 1px solid var(--nx-border);
  padding: 0.85rem 1rem;
}
.nx-table tbody td {
  border-bottom: 1px solid var(--nx-border);
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  color: var(--nx-text);
  background: transparent;
  transition: background-color 0.6s ease;
}
.nx-table tbody tr:hover td { background: rgba(255, 255, 255, 0.02); }
.nx-table .nx-sym { font-family: var(--nx-font-display); font-weight: 600; }
.nx-table .nx-cat-tag { color: var(--nx-text-3); font-size: 0.68rem; letter-spacing: 0.1em; display: block; }
.nx-table td.cell-flash-up { background: rgba(0, 217, 163, 0.07); }
.nx-table td.cell-flash-down { background: rgba(255, 77, 77, 0.07); }
.nx-spark { width: 110px; height: 32px; display: block; margin-left: auto; }
.nx-chg-up { color: var(--nx-accent); font-weight: 600; }
.nx-chg-down { color: var(--nx-down); font-weight: 600; }

/* ---------- features ---------- */
.nx-feature {
  border-top: 1px solid var(--nx-border);
  padding-top: 1.6rem;
  height: 100%;
}
.nx-icon { width: 34px; height: 34px; color: var(--nx-accent); margin-bottom: 1.1rem; }
.nx-feature-meta {
  color: var(--nx-text-3);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  margin-top: 1.2rem;
  margin-bottom: 0;
}

/* ---------- plans ---------- */
.nx-plan {
  position: relative;
  background: var(--nx-surface);
  border: 1px solid var(--nx-border);
  border-radius: 12px;
  padding: 1.8rem 1.7rem;
  height: 100%;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.nx-plan:hover { border-color: rgba(0, 217, 163, 0.4); transform: translateY(-4px); }
.nx-plan-featured { border-color: rgba(0, 217, 163, 0.55); }
.nx-flag {
  position: absolute;
  top: -10px;
  left: 1.7rem;
  background: var(--nx-accent);
  color: #0a0a0a;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  padding: 0.22rem 0.6rem;
  border-radius: 4px;
}
.nx-risk {
  width: 52px;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 0.7rem;
  flex: none;
}
.nx-risk i { display: block; height: 100%; background: var(--nx-accent); }
.nx-plan-num {
  font-family: var(--nx-font-display);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-top: 0.4rem;
}
.nx-plan-num span { color: var(--nx-accent); font-size: 1.4rem; }
.nx-checklist { list-style: none; padding: 0; margin: 0; }
.nx-checklist li {
  position: relative;
  color: var(--nx-text-2);
  font-size: 0.88rem;
  padding: 0.4rem 0 0.4rem 1.4rem;
}
.nx-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 12px;
  height: 6px;
  border-left: 1.5px solid var(--nx-accent);
  border-bottom: 1.5px solid var(--nx-accent);
  transform: rotate(-45deg) translateY(-50%);
}

/* ---------- security steps ---------- */
.nx-step {
  display: flex;
  gap: 1.6rem;
  padding: 1.6rem 0;
  border-top: 1px solid var(--nx-border);
}
.nx-step:last-child { border-bottom: 1px solid var(--nx-border); }
.nx-step-num {
  font-family: var(--nx-font-display);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0, 217, 163, 0.6);
  flex: none;
  width: 74px;
}

/* ---------- accordion ---------- */
.nx-accordion .accordion-item {
  background: transparent;
  border: none;
  border-top: 1px solid var(--nx-border);
}
.nx-accordion .accordion-item:last-child { border-bottom: 1px solid var(--nx-border); }
.nx-accordion .accordion-button {
  background: transparent;
  color: var(--nx-text);
  font-family: var(--nx-font-display);
  font-weight: 600;
  font-size: 1.02rem;
  padding: 1.25rem 0.25rem;
  box-shadow: none;
}
.nx-accordion .accordion-button:not(.collapsed) { background: transparent; color: var(--nx-accent); }
.nx-accordion .accordion-button:focus { box-shadow: none; border: none; }
.nx-accordion .accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%2300d9a3' stroke-width='2'%3E%3Cpath d='M8 3v10M3 8h10'/%3E%3C/svg%3E");
  transition: transform 0.25s ease;
}
.nx-accordion .accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%2300d9a3' stroke-width='2'%3E%3Cpath d='M3 8h10'/%3E%3C/svg%3E");
  transform: none;
}
.nx-accordion .accordion-body { color: var(--nx-text-2); font-size: 0.93rem; padding: 0 0.25rem 1.4rem; max-width: 640px; }

/* ---------- CTA ---------- */
.nx-cta {
  position: relative;
  padding: 7.5rem 0;
  background:
    radial-gradient(700px 380px at 50% 110%, rgba(0, 217, 163, 0.12), transparent 65%),
    #0d0d0d;
  border-top: 1px solid var(--nx-border);
}
.nx-cta-display {
  font-family: var(--nx-font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* ---------- footer ---------- */
.nx-footer {
  background: var(--nx-bg);
  border-top: 1px solid var(--nx-border);
  padding-top: 4rem;
}
.nx-footer-head {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--nx-text-3);
  margin-bottom: 0.9rem;
}
.nx-footer-list { list-style: none; padding: 0; margin: 0; }
.nx-footer-list li { margin-bottom: 0.5rem; }
.nx-footer-list a {
  color: var(--nx-text-2);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}
.nx-footer-list a:hover { color: var(--nx-accent); }
.nx-disclaimer {
  color: var(--nx-text-3);
  font-size: 0.72rem;
  line-height: 1.7;
  padding: 1.2rem 0;
  margin: 0;
}

/* ---------- reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in-view { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .nx-ticker-track { animation: none; }
  .nx-live-dot { animation: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 991.98px) {
  .nx-hero { padding: 170px 0 80px; }
  .nx-terminal { margin-top: 1rem; }
  .nx-step-num { width: 56px; font-size: 2rem; }
}